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Dennis B O'Brien Elementary School — School Calendar 2026-27
Primary|DOVER, New Jersey|Rockaway Township School District
DOVER, NJ 07801
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Upcoming Events
Sep
3
Thu
KDG Open HouseEvent
Sep
3
Thu
CAD - Kindergarten Open HouseEvent
Sep
3
Thu
CAD - Kindergarten Open HouseEvent
Sep
3
Thu
KDG Open HouseEvent
Sep
8
Tue
SB First Day of SchoolEvent
Confirm bus route and pickup time. Early dismissal may apply.
Sep
8
Tue
First Day of School Event
Confirm bus route and pickup time. Early dismissal may apply.
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School Profile
School Statistics
Academics (SY 2020-21)
ELA Proficiency
40-44%
Math Proficiency
25-29%
Chronic Absenteeism
1.3%
SY 2019-20
Programs & Activities (SY 2021-22)
Gifted & Talented
3 students enrolled
Student-Teacher Ratio: 7.3:1
Better than average in NJTechnology & Internet Access (SY 2021-22)
Wi-Fi
Campus-wide wireless
Fiber Internet
High-speed connection
294
Connected devices
Staff & Support Services (SY 2021-22)
Teachers (FTE)
41
100% fully certified
Counselors
1
Psychologists
0.5
Social Workers
0.5
Nurses
1
School Resource Officers
1
Anti-Bullying Policy
District Finance (FY 2023)
Per-Pupil Spending
$27,702
Total current expenditure
Instruction Spending
$15,821
Per pupil, classroom only
Total Revenue/Pupil
$29,107
All funding sources
Funding Sources
Federal 3%State 24%Local 73%
District-level data from NCES F-33 Survey
Community Context
Median Home Value
$456,345
+4.2% 1yr+45.0% 5yr
Hudson, NY metro area
Community Need Level
Moderate
CDC/ATSDR Social Vulnerability Index 2022
Neighborhood Indicators (Census Tract)
8.1%
Below 150% poverty line
5.3%
Unemployment rate
4.6%
Uninsured residents
4.9%
No HS diploma (25+)
Special Education (IDEA)
District-level data from IDEA Part B · Students ages 3-21 served under IDEA
Total Students Served
482
Ages 3-21 under IDEA
School-Age (6-21)
452
Receiving special ed services
Est. % of Enrollment
100%
District rate, school may vary
Disability Categories (District)
Specific Learning Disability
180 (40%)
Speech/Language Impairment
99 (22%)
Other Health Impairment
97 (21%)
Autism
42 (9%)
Emotional Disturbance
12 (3%)
Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ
Enrollment Trend (2014-2025)
298
Current enrollment
Declining(-11% 5yr)Coming Up
Thu, Sep 3, 2026
KDG Open House
EventThu, Sep 3, 2026
CAD - Kindergarten Open House
EventThu, Sep 3, 2026
CAD - Kindergarten Open House
EventFull School Calendar 2026-27
| Date | Event |
|---|---|
| Thu, Sep 3, 2026 | KDG Open House |
| Thu, Sep 3, 2026 | CAD - Kindergarten Open House |
| Thu, Sep 3, 2026 | CAD - Kindergarten Open House |
| Thu, Sep 3, 2026 | KDG Open House |
| Tue, Sep 8, 2026 | SB First Day of School |
| Tue, Sep 8, 2026 | First Day of School |
| Tue, Sep 8, 2026 | CMS - 1st day of School |
| Tue, Sep 8, 2026 | CAD - First Day of School |
| Tue, Sep 8, 2026 | SB First Day of School |
| Tue, Sep 8, 2026 | First Day of School |
| Tue, Sep 8, 2026 | CMS - 1st day of School |
| Tue, Sep 8, 2026 | CAD - First Day of School |
| Wed, Sep 9, 2026 | RTSD Board Meeting ROCKAWAY TOWNSHIP BOARD OF EDUCATIONPublic Session will begin at 6:00 PM, proceed immediately into Executive Session, reconvening PublicSession at 7:30 PM at the Copeland Middle School, Lake Shore Drive, Rockaway, NJ |
| Wed, Sep 9, 2026 | RTSD Board Meeting ROCKAWAY TOWNSHIP BOARD OF EDUCATIONPublic Session will begin at 6:00 PM, proceed immediately into Executive Session, reconvening PublicSession at 7:30 PM at the Copeland Middle School, Lake Shore Drive, Rockaway, NJ |
| Wed, Sep 16, 2026 | PTA Meeting |
| Wed, Sep 16, 2026 | PTA Meeting |
| Fri, Sep 18, 2026 | DBO - Bee Bash |
| Fri, Sep 18, 2026 | DBO - Bee Bash |
| Mon, Sep 21, 2026 | SB School Closed Yom Kippur |
| Mon, Sep 21, 2026 | CMS - Yom Kipper - School Closed |
| Mon, Sep 21, 2026 | Yom Kippur - School closed |
| Mon, Sep 21, 2026 | CMS - Yom Kipper - School Closed |
| Mon, Sep 21, 2026 | Yom Kippur - School closed |
| Mon, Sep 21, 2026 | CAD - School Closed - Yom Kippur |
| Mon, Sep 21, 2026 | CAD - School Closed - Yom Kippur |
| Mon, Sep 21, 2026 | SB School Closed Yom Kippur |
| Fri, Sep 25, 2026 | DBO - Bee Bash (Rain Date) |
| Fri, Sep 25, 2026 | DBO - Bee Bash (Rain Date) |
| Wed, Oct 7, 2026 | RTSD Board Meeting ROCKAWAY TOWNSHIP BOARD OF EDUCATIONPublic Session will begin at 6:00 PM, proceed immediately into Executive Session, reconvening PublicSession at 7:30 PM at the Copeland Middle School, Lake Shore Drive, Rockaway, NJ |
| Wed, Oct 7, 2026 | RTSD Board Meeting ROCKAWAY TOWNSHIP BOARD OF EDUCATIONPublic Session will begin at 6:00 PM, proceed immediately into Executive Session, reconvening PublicSession at 7:30 PM at the Copeland Middle School, Lake Shore Drive, Rockaway, NJ |
| Mon, Oct 12, 2026 | SB School Closed/Staff In Service Columbus Day |
| Mon, Oct 12, 2026 | CMS - Columbus Day - School Closed/Staff In-Service |
| Mon, Oct 12, 2026 | CAD - School Closed - Columbus Day |
| Mon, Oct 12, 2026 | Columbus Day - School closed |
| Mon, Oct 12, 2026 | Staff Inservice |
| Mon, Oct 12, 2026 | Columbus Day - School closed |
| Mon, Oct 12, 2026 | Staff Inservice |
| Mon, Oct 12, 2026 | SB School Closed/Staff In Service Columbus Day |
| Mon, Oct 12, 2026 | CMS - Columbus Day - School Closed/Staff In-Service |
| Mon, Oct 12, 2026 | CAD - School Closed - Columbus Day |
| Wed, Oct 14, 2026 | PTA Meeting |
| Wed, Oct 14, 2026 | PTA Meeting |
| Thu, Oct 15, 2026 | DBO - Walk-A-Thon |
| Thu, Oct 15, 2026 | DBO - Walk-A-Thon |
| Tue, Oct 20, 2026 | CMS - MHRD Music Assembly |
| Tue, Oct 20, 2026 | CMS - MHRD Music Assembly |
| Thu, Oct 22, 2026 | DBO - Picture Day |
| Thu, Oct 22, 2026 | DBO - Picture Day |
| Fri, Oct 30, 2026 | DBO - Trunk or Treat |
| Fri, Oct 30, 2026 | DBO - Trunk or Treat |
| Tue, Nov 3, 2026 | CMS - MHRD District Choral Day 8th grade choral students field trip to MK |
| Tue, Nov 3, 2026 | CMS - MHRD District Choral Day 8th grade choral students field trip to MK |
| Thu, Nov 5, 2026 | CAD - School Closed - NJEA Convention |
| Thu, Nov 5, 2026 | CMS - NJEA Convention - School Closed |
| Thu, Nov 5, 2026 | SB School Closed NJEA Convention |
| Thu, Nov 5, 2026 | SB School Closed NJEA Convention |
| Thu, Nov 5, 2026 | CAD - School Closed - NJEA Convention |
| Thu, Nov 5, 2026 | CMS - NJEA Convention - School Closed |
| Fri, Nov 6, 2026 | NJEA Convention - School closed |
| Tue, Nov 10, 2026 | CMS - MHRD District Instrumental Music Day 8th grade band and strings students field trip to MH |
| Tue, Nov 10, 2026 | CMS - MHRD District Instrumental Music Day 8th grade band and strings students field trip to MH |
| Wed, Nov 11, 2026 | RTSD Board Meeting ROCKAWAY TOWNSHIP BOARD OF EDUCATIONPublic Session will begin at 6:00 PM, proceed immediately into Executive Session, reconvening PublicSession at 7:30 PM at the Copeland Middle School, Lake Shore Drive, Rockaway, NJ |
| Wed, Nov 11, 2026 | RTSD Board Meeting ROCKAWAY TOWNSHIP BOARD OF EDUCATIONPublic Session will begin at 6:00 PM, proceed immediately into Executive Session, reconvening PublicSession at 7:30 PM at the Copeland Middle School, Lake Shore Drive, Rockaway, NJ |
| Mon, Nov 16, 2026 | CMS - End of Marking Period 1 |
| Mon, Nov 16, 2026 | CMS - End of Marking Period 1 |
| Wed, Nov 18, 2026 | PTA Meeting |
| Wed, Nov 18, 2026 | PTA Meeting |
| Thu, Nov 19, 2026 | CAD - Early Dismissal - Parent-Teacher Conferences Early Dismissal at 1:15pm |
| Thu, Nov 19, 2026 | CMS - Early Dismissal - Evening Conferences |
| Thu, Nov 19, 2026 | CMS - Early Dismissal - Evening Conferences |
| Thu, Nov 19, 2026 | SB Early Dismissal 12:48pm/Evening Conferences |
| Thu, Nov 19, 2026 | SB Early Dismissal 12:48pm/Evening Conferences |
| Thu, Nov 19, 2026 | CAD - Early Dismissal - Parent-Teacher Conferences Early Dismissal at 1:15pm |
| Fri, Nov 20, 2026 | Afternoon conferences - early dismissal |
| Fri, Nov 20, 2026 | CMS - Early Dismissal - Afternoon Conferences |
| Fri, Nov 20, 2026 | CMS - Early Dismissal - Afternoon Conferences |
| Fri, Nov 20, 2026 | SB Early Dismissal 12:48pm/Afternoon Conferences |
| Fri, Nov 20, 2026 | SB Early Dismissal 12:48pm/Afternoon Conferences |
| Fri, Nov 20, 2026 | Afternoon conferences - early dismissal |
| Mon, Nov 23, 2026 | CAD - Early Dismissal - Parent-Teacher Conferences Early Dismissal at 1:15pm |
| Mon, Nov 23, 2026 | CMS - Early Dismissal - Evening Conferences |
| Mon, Nov 23, 2026 | SB Early Dismissal 12:48pm/Evening Conferences |
| Mon, Nov 23, 2026 | SB Early Dismissal 12:48pm/Evening Conferences |
| Mon, Nov 23, 2026 | CAD - Early Dismissal - Parent-Teacher Conferences Early Dismissal at 1:15pm |
| Mon, Nov 23, 2026 | CMS - Early Dismissal - Evening Conferences |
| Tue, Nov 24, 2026 | CMS - Early Dismissal - Afternoon Conferences |
| Tue, Nov 24, 2026 | SB Early Dismissal 12:48pm/Afternoon Conferences |
| Tue, Nov 24, 2026 | Afternoon conferences - Early dismissal |
| Tue, Nov 24, 2026 | SB Early Dismissal 12:48pm/Afternoon Conferences |
| Tue, Nov 24, 2026 | Afternoon conferences - Early dismissal |
| Tue, Nov 24, 2026 | CMS - Early Dismissal - Afternoon Conferences |
| Wed, Nov 25, 2026 | CAD - Early Dismissal Early Dismissal at 1:15pm |
| Wed, Nov 25, 2026 | Early dismissal |
| Wed, Nov 25, 2026 | CMS - Early Dismissal @ 12:20PM |
| Wed, Nov 25, 2026 | SB Early Dismissal/12:48pm |
| Wed, Nov 25, 2026 | SB Early Dismissal/12:48pm |
| Wed, Nov 25, 2026 | CAD - Early Dismissal Early Dismissal at 1:15pm |
| Wed, Nov 25, 2026 | Early dismissal |
| Wed, Nov 25, 2026 | CMS - Early Dismissal @ 12:20PM |
| Thu, Nov 26, 2026 | Thanksgiving recess - School closed |
| Thu, Nov 26, 2026 | SB School Closed Thanksgiving Recess |
| Thu, Nov 26, 2026 | CAD - School Closed - Thanksgiving |
| Thu, Nov 26, 2026 | CMS - Thanksgiving Recess - School Closed |
| Thu, Nov 26, 2026 | CMS - Thanksgiving Recess - School Closed |
| Thu, Nov 26, 2026 | Thanksgiving recess - School closed |
| Thu, Nov 26, 2026 | SB School Closed Thanksgiving Recess |
| Thu, Nov 26, 2026 | CAD - School Closed - Thanksgiving |
| Wed, Dec 2, 2026 | CAD - Early Dismissal - Staff In-service Early Dismissal at 1:15pm |
| Wed, Dec 2, 2026 | Staff In-service - early dismissal |
| Wed, Dec 2, 2026 | Staff In-service - early dismissal |
| Wed, Dec 2, 2026 | CMS - Early Dismissal/Staff In-Service |
| Wed, Dec 2, 2026 | SB Early Dismissal 12:48pm/Staff In Service |
| Wed, Dec 2, 2026 | CMS - Early Dismissal/Staff In-Service |
| Wed, Dec 2, 2026 | SB Early Dismissal 12:48pm/Staff In Service |
| Wed, Dec 2, 2026 | CAD - Early Dismissal - Staff In-service Early Dismissal at 1:15pm |
| Thu, Dec 3, 2026 | CMS - Winter Band Concert @ Morris Hills |
| Thu, Dec 3, 2026 | CMS - Winter Band Concert @ Morris Hills |
| Tue, Dec 8, 2026 | CMS - Winter Chorus and Strings Concert @ Morris Knolls |
| Tue, Dec 8, 2026 | CMS - Winter Chorus and Strings Concert @ Morris Knolls |
| Wed, Dec 9, 2026 | Holiday Shop |
| Wed, Dec 9, 2026 | Holiday Shop |
| Wed, Dec 9, 2026 | RTSD Board Meeting ROCKAWAY TOWNSHIP BOARD OF EDUCATIONPublic Session will begin at 6:00 PM, proceed immediately into Executive Session, reconvening PublicSession at 7:30 PM at the Copeland Middle School, Lake Shore Drive, Rockaway, NJ |
| Wed, Dec 9, 2026 | RTSD Board Meeting ROCKAWAY TOWNSHIP BOARD OF EDUCATIONPublic Session will begin at 6:00 PM, proceed immediately into Executive Session, reconvening PublicSession at 7:30 PM at the Copeland Middle School, Lake Shore Drive, Rockaway, NJ |
| Thu, Dec 10, 2026 | PJs and Cocoa |
| Thu, Dec 10, 2026 | PJs and Cocoa |
| Fri, Dec 11, 2026 | End of T1 |
| Fri, Dec 11, 2026 | End of T1 |
| Wed, Dec 23, 2026 | SB Early Dismissal 12:48pm |
| Wed, Dec 23, 2026 | CAD - Early Dismissal Early Dismissal at 1:15pm |
| Wed, Dec 23, 2026 | CAD - Early Dismissal Early Dismissal at 1:15pm |
| Wed, Dec 23, 2026 | CMS - Holiday Reception Old Gym, periods 2-4 |
| Wed, Dec 23, 2026 | Holiday Break - School closed |
| Wed, Dec 23, 2026 | CMS - Holiday Reception Old Gym, periods 2-4 |
| Wed, Dec 23, 2026 | Holiday Break - School closed |
| Wed, Dec 23, 2026 | SB Early Dismissal 12:48pm |
| Thu, Dec 24, 2026 | CMS - Early Dismissal @ 12:20PM |
| Thu, Dec 24, 2026 | SB School Closed Holiday Break |
| Thu, Dec 24, 2026 | CAD - School Closed - Holiday Break |
| Thu, Dec 24, 2026 | CAD - School Closed - Holiday Break |
| Thu, Dec 24, 2026 | CMS - Early Dismissal @ 12:20PM |
| Thu, Dec 24, 2026 | SB School Closed Holiday Break |
| Fri, Dec 25, 2026 | CMS - holiday break |
| Fri, Dec 25, 2026 | CMS - holiday break |
| Mon, Dec 28, 2026 | CAD - School Closed - Holiday Break |
| Fri, Jan 1, 2027 | CMS - New Year's Day - School Closed |
| Fri, Jan 1, 2027 | New Year's Day - school closed |
| Fri, Jan 1, 2027 | New Year's Day-No School |
| Fri, Jan 1, 2027 | New Year's Day-No School |
| Fri, Jan 1, 2027 | CMS - New Year's Day - School Closed |
| Fri, Jan 1, 2027 | New Year's Day - school closed |
| Tue, Jan 5, 2027 | CMS - Theatre Rehearsals |
| Tue, Jan 5, 2027 | CMS - Theatre Rehearsals |
| Wed, Jan 6, 2027 | RTSD Board Meeting - Reorganization Meeting ROCKAWAY TOWNSHIP BOARD OF EDUCATIONPublic Session will begin at 6:00 PM, proceed immediately into Executive Session, reconvening PublicSession at 7:30 PM at the Copeland Middle School, Lake Shore Drive, Rockaway, NJ |
| Wed, Jan 6, 2027 | RTSD Board Meeting - Reorganization Meeting ROCKAWAY TOWNSHIP BOARD OF EDUCATIONPublic Session will begin at 6:00 PM, proceed immediately into Executive Session, reconvening PublicSession at 7:30 PM at the Copeland Middle School, Lake Shore Drive, Rockaway, NJ |
| Tue, Jan 12, 2027 | CMS - Theatre Rehearsals |
| Tue, Jan 12, 2027 | CMS - Theatre Rehearsals |
| Wed, Jan 13, 2027 | PTA Meeting |
| Wed, Jan 13, 2027 | PTA Meeting |
| Mon, Jan 18, 2027 | CMS - MLK Day - School Closed/Staff In-Service |
| Mon, Jan 18, 2027 | SB School Closed/Staff In Service/MLK Day |
| Mon, Jan 18, 2027 | CAD - School Closed - MLK Day |
| Mon, Jan 18, 2027 | CMS - MLK Day - School Closed/Staff In-Service |
| Mon, Jan 18, 2027 | CAD - School Closed - MLK Day |
| Mon, Jan 18, 2027 | MLK Day -Staff In-Service - School closed |
| Mon, Jan 18, 2027 | MLK Day -Staff In-Service - School closed |
| Mon, Jan 18, 2027 | SB School Closed/Staff In Service/MLK Day |
| Tue, Jan 19, 2027 | CMS - Theatre Rehearsals |
| Tue, Jan 19, 2027 | CMS - Theatre Rehearsals |
| Tue, Jan 26, 2027 | CMS - Theatre Rehearsals |
| Tue, Jan 26, 2027 | CMS - Theatre Rehearsals |
| Tue, Feb 2, 2027 | CMS - Theatre Rehearsals |
| Tue, Feb 2, 2027 | CMS - Theatre Rehearsals |
| Wed, Feb 3, 2027 | CMS - End of Marking Period 2 |
| Wed, Feb 3, 2027 | CMS - End of Marking Period 2 |
| Tue, Feb 9, 2027 | CMS - Theatre Rehearsals |
| Tue, Feb 9, 2027 | CMS - Theatre Rehearsals |
| Wed, Feb 10, 2027 | Staff In-service - early dismissal |
| Wed, Feb 10, 2027 | SB Early Dismissal 12:48pm/Staff In Service |
| Wed, Feb 10, 2027 | CMS - Early Dismissal/Staff In-Service |
| Wed, Feb 10, 2027 | CAD - Early Dismissal - Staff In-service Early Dismissal at 1:15pm |
| Wed, Feb 10, 2027 | Staff In-service - early dismissal |
| Wed, Feb 10, 2027 | SB Early Dismissal 12:48pm/Staff In Service |
| Wed, Feb 10, 2027 | CMS - Early Dismissal/Staff In-Service |
| Wed, Feb 10, 2027 | CAD - Early Dismissal - Staff In-service Early Dismissal at 1:15pm |
| Fri, Feb 12, 2027 | Sweetheart Dance |
| Fri, Feb 12, 2027 | Sweetheart Dance |
| Mon, Feb 15, 2027 | CMS - President's Day - School Closed |
| Mon, Feb 15, 2027 | President's Day - School closed |
| Mon, Feb 15, 2027 | SB School Closed/President's Day |
| Mon, Feb 15, 2027 | CAD - School Closed - President's Day |
| Mon, Feb 15, 2027 | SB School Closed/President's Day |
| Mon, Feb 15, 2027 | CAD - School Closed - President's Day |
| Mon, Feb 15, 2027 | CMS - President's Day - School Closed |
| Mon, Feb 15, 2027 | President's Day - School closed |
| Tue, Feb 16, 2027 | CMS - Theatre Rehearsals |
| Tue, Feb 16, 2027 | CMS - Theatre Rehearsals |
| Wed, Feb 17, 2027 | PTA Meeting |
| Wed, Feb 17, 2027 | PTA Meeting |
| Tue, Feb 23, 2027 | CMS - Theatre Rehearsals |
| Tue, Feb 23, 2027 | CMS - Theatre Rehearsals |
| Tue, Mar 2, 2027 | CMS - Theatre Rehearsals |
| Tue, Mar 2, 2027 | CMS - Theatre Rehearsals |
| Wed, Mar 3, 2027 | Book Fair |
| Wed, Mar 3, 2027 | Book Fair |
| Thu, Mar 4, 2027 | Family Literacy Night |
| Thu, Mar 4, 2027 | Family Literacy Night |
| Tue, Mar 9, 2027 | CMS - Theatre Rehearsals |
| Tue, Mar 9, 2027 | CMS - Theatre Rehearsals |
| Tue, Mar 9, 2027 | CMS - Theatre Rehearsals |
| Tue, Mar 9, 2027 | CMS - Theatre Rehearsals |
| Wed, Mar 10, 2027 | CMS - Tech Week Rehearsals |
| Wed, Mar 10, 2027 | CMS - Tech Week Rehearsals |
| Wed, Mar 10, 2027 | PTA Meeting |
| Wed, Mar 10, 2027 | PTA Meeting |
| Mon, Mar 15, 2027 | CMS - Tech Week Rehearsals |
| Wed, Mar 17, 2027 | End of T2 |
| Wed, Mar 17, 2027 | CMS - Theatre Production: RT Staff Performance |
| Wed, Mar 17, 2027 | CMS - Theatre Production: RT Staff Performance |
| Wed, Mar 17, 2027 | CMS - Dress Rehearsal Performance |
| Wed, Mar 17, 2027 | CMS - Dress Rehearsal Performance |
| Wed, Mar 17, 2027 | End of T2 |
| Thu, Mar 18, 2027 | CMS - Theatre Performance |
| Thu, Mar 18, 2027 | CMS - Theatre Production |
| Thu, Mar 18, 2027 | CMS - Theatre Production |
| Thu, Mar 18, 2027 | CMS - Theatre Performance |
| Fri, Mar 19, 2027 | Talent Show |
| Fri, Mar 19, 2027 | Talent Show |
| Sat, Mar 20, 2027 | CMS - Theatre Performance and Cast/Crew Celebration |
| Sat, Mar 20, 2027 | CMS - Theatre Production |
| Sat, Mar 20, 2027 | CMS - Theatre Performance and Cast/Crew Celebration |
| Sat, Mar 20, 2027 | CMS - Theatre Production |
| Mon, Mar 22, 2027 | Talent Show - School Performance |
| Mon, Mar 22, 2027 | Talent Show - School Performance |
| Fri, Mar 26, 2027 | CMS - Good Friday - School Closed |
| Fri, Mar 26, 2027 | Good Friday - School closed |
| Fri, Mar 26, 2027 | SB School Closed/Good Friday |
| Fri, Mar 26, 2027 | CAD - School Closed - Spring Break |
| Fri, Mar 26, 2027 | CAD - School Closed - Spring Break |
| Fri, Mar 26, 2027 | CMS - Good Friday - School Closed |
| Fri, Mar 26, 2027 | Good Friday - School closed |
| Fri, Mar 26, 2027 | SB School Closed/Good Friday |
| Mon, Mar 29, 2027 | Spring break - school closed |
| Mon, Mar 29, 2027 | SB School Closed/Spring Break |
| Mon, Mar 29, 2027 | CAD - School Closed - Spring Break |
| Mon, Mar 29, 2027 | Spring break - school closed |
| Mon, Mar 29, 2027 | CAD - School Closed - Spring Break |
| Mon, Mar 29, 2027 | CMS - Spring Break - School Closed |
| Mon, Mar 29, 2027 | CMS - Spring Break - School Closed |
| Mon, Mar 29, 2027 | SB School Closed/Spring Break |
| Wed, Apr 7, 2027 | CMS - Washington D.C. Trip |
| Wed, Apr 7, 2027 | CMS - Washington D.C. Trip |
| Wed, Apr 14, 2027 | PTA Meeting |
| Fri, Apr 16, 2027 | CMS - End of Marking Period 3 |
| Fri, Apr 16, 2027 | CMS - End of Marking Period 3 |
| Thu, Apr 22, 2027 | CAD - Bring Your Child To Work Day |
| Thu, Apr 22, 2027 | SB Bring Your Child to Work Day |
| Thu, Apr 22, 2027 | CMS - Bring Your Child to Work Day |
| Thu, Apr 22, 2027 | Bring Your Child to Work Day |
| Thu, Apr 22, 2027 | Bring Your Child to Work Day |
| Thu, Apr 22, 2027 | CAD - Bring Your Child To Work Day |
| Thu, Apr 22, 2027 | SB Bring Your Child to Work Day |
| Thu, Apr 22, 2027 | CMS - Bring Your Child to Work Day |
| Tue, May 4, 2027 | CMS - Spring Chorus and Strings Concert @ Morris Knolls |
| Tue, May 4, 2027 | CMS - Spring Chorus and Strings Concert @ Morris Knolls |
| Fri, May 7, 2027 | Candy Bar Bingo |
| Fri, May 7, 2027 | Candy Bar Bingo |
| Thu, May 20, 2027 | CMS - Spring Band Concert @ Morris Hills |
| Thu, May 20, 2027 | CMS - Spring Band Concert @ Morris Hills |
| Fri, May 21, 2027 | DBO - Field Day |
| Fri, May 21, 2027 | DBO - Field Day |
| Mon, May 24, 2027 | CAD - 5th Grade Activity at Copeland |
| Mon, May 24, 2027 | CMS 5th Grade Activity & Info Night |
| Mon, May 24, 2027 | CMS 5th Grade Activity & Info Night |
| Mon, May 24, 2027 | CMS 5th Grade Activity Night |
| Mon, May 24, 2027 | CMS 5th Grade Activity Night |
| Mon, May 24, 2027 | CAD - 5th Grade Activity at Copeland |
| Thu, May 27, 2027 | CMS - High Notes Adjudication CMS Music Rooms - Periods 1-3 |
| Thu, May 27, 2027 | CMS - High Notes Adjudication CMS Music Rooms - Periods 1-3 |
| Mon, May 31, 2027 | SB School Closed/Memorial Day |
| Mon, May 31, 2027 | Memorial Day - school closed |
| Mon, May 31, 2027 | CMS - Memorial Day - School Closed |
| Mon, May 31, 2027 | CMS - Memorial Day - School Closed |
| Mon, May 31, 2027 | CAD - School Closed - Memorial Day |
| Mon, May 31, 2027 | CAD - School Closed - Memorial Day |
| Mon, May 31, 2027 | SB School Closed/Memorial Day |
| Mon, May 31, 2027 | Memorial Day - school closed |
| Wed, Jun 2, 2027 | SB Early Dismissal 12:48pm/Staff In Service |
| Wed, Jun 2, 2027 | CMS - Early Dismissal/Staff In-Service |
| Wed, Jun 2, 2027 | CAD - Early Dismissal - Staff In-service Early Dismissal at 1:15pm |
| Wed, Jun 2, 2027 | Staff In-Service - early dismissal |
| Wed, Jun 2, 2027 | CAD - Early Dismissal - Staff In-service Early Dismissal at 1:15pm |
| Wed, Jun 2, 2027 | Staff In-Service - early dismissal |
| Wed, Jun 2, 2027 | SB Early Dismissal 12:48pm/Staff In Service |
| Wed, Jun 2, 2027 | CMS - Early Dismissal/Staff In-Service |
| Fri, Jun 4, 2027 | CMS - High Notes Music Festival Dorney Park Field Trip |
| Fri, Jun 4, 2027 | DBO - Field Day (Rain Date) |
| Fri, Jun 4, 2027 | CMS - High Notes Music Festival Dorney Park Field Trip |
| Fri, Jun 4, 2027 | DBO - Field Day (Rain Date) |
| Wed, Jun 9, 2027 | PTA Meeting |
| Wed, Jun 9, 2027 | PTA Meeting |
| Thu, Jun 17, 2027 | CMS - 8th Grade Graduation @ Morris Knolls |
| Thu, Jun 17, 2027 | CMS - 8th Grade Graduation @ Morris Knolls |
| Tue, Jun 22, 2027 | CAD - Early Dismissal - Last Day of School Early Dismissal at 1:15pm |
| Tue, Jun 22, 2027 | Last day of school - early dismissal |
| Tue, Jun 22, 2027 | CMS - Last Day of School |
| Tue, Jun 22, 2027 | SB Last Day of School |
| Tue, Jun 22, 2027 | CAD - Early Dismissal - Last Day of School Early Dismissal at 1:15pm |
| Tue, Jun 22, 2027 | Last day of school - early dismissal |
| Tue, Jun 22, 2027 | CMS - Last Day of School |
| Tue, Jun 22, 2027 | SB Last Day of School |
Showing 310 events for the 2026-27 school year
Frequently Asked Questions about Dennis B O'Brien Elementary School
Dennis B O'Brien Elementary School has a total enrollment of 295 students and serves grades Primary. The school is part of the local school district in DOVER, NJ.
Calendar Guides
School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically. · How we verify this data