OKMiddleCalendar available · 127 events · Auto-updating
CHELSEA MS — School Calendar 2026-27
Middle|Chelsea, Oklahoma|CHELSEA
Chelsea, OK 74016
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Upcoming Events
Aug
17
Mon
Teacher Professional DayStaff Day
Aug
17
Mon
Teacher Professional DayStaff Day
Aug
19
Wed
First Day of School!!Event
Confirm bus route and pickup time. Early dismissal may apply.
Aug
19
Wed
First Day of School!!Event
Confirm bus route and pickup time. Early dismissal may apply.
Sep
7
Mon
Labor Day - No SchoolHoliday
Banks, government offices, and schools may be closed.
Sep
7
Mon
Labor Day - No SchoolHoliday
Banks, government offices, and schools may be closed.
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School Profile
School Statistics
Academics (SY 2020-21)
ELA Proficiency
20-24%
Math Proficiency
10-14%
Chronic Absenteeism
26.2%
SY 2019-20
Programs & Activities (SY 2021-22)
Gifted & Talented
69 students enrolled
Student-Teacher Ratio: 12.5:1
Near average in OKTechnology & Internet Access (SY 2021-22)
Wi-Fi
Campus-wide wireless
Fiber Internet
High-speed connection
180
Connected devices
Staff & Support Services (SY 2021-22)
Teachers (FTE)
15.22
100% fully certified
Counselors
1
Nurses
0.28999999
Anti-Bullying Policy
District Finance (FY 2023)
Per-Pupil Spending
$12,097
Total current expenditure
Instruction Spending
$6,778
Per pupil, classroom only
Total Revenue/Pupil
$13,677
All funding sources
Funding Sources
Federal 26%State 47%Local 27%
District-level data from NCES F-33 Survey
Community Context
Community Need Level
Moderate
CDC/ATSDR Social Vulnerability Index 2022
Neighborhood Indicators (Census Tract)
16.1%
Below 150% poverty line
4.7%
Unemployment rate
11.8%
Uninsured residents
7.9%
No HS diploma (25+)
Special Education (IDEA)
District-level data from IDEA Part B · Students ages 3-21 served under IDEA
Total Students Served
204
Ages 3-21 under IDEA
School-Age (6-21)
196
Receiving special ed services
Est. % of Enrollment
100%
District rate, school may vary
Disability Categories (District)
Specific Learning Disability
73 (37%)
Other Health Impairment
20 (10%)
Speech/Language Impairment
12 (6%)
Intellectual Disability
9 (5%)
Autism
6 (3%)
Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ
Enrollment Trend (2014-2025)
191
Current enrollment
Stable(-3% 5yr)Coming Up
Mon, Aug 17, 2026
Teacher Professional Day
Staff DayMon, Aug 17, 2026
Teacher Professional Day
Staff DayWed, Aug 19, 2026
First Day of School!!
EventFull School Calendar 2026-27
| Date | Event |
|---|---|
| Mon, Sep 7, 2026 | Labor Day - No School |
| Mon, Sep 7, 2026 | Labor Day - No School |
| Tue, Sep 8, 2026 | HOCO Week |
| Tue, Sep 8, 2026 | HOCO Week |
| Wed, Sep 9, 2026 | Knowledge Keepers after school program |
| Fri, Sep 11, 2026 | Hoco Assembly |
| Fri, Sep 11, 2026 | Hoco Assembly |
| Mon, Sep 14, 2026 | CMS Fall Pep Rally Middle School fall sports Pep Rally |
| Mon, Sep 14, 2026 | CMS Fall Pep Rally Middle School fall sports Pep Rally |
| Wed, Sep 16, 2026 | Knowledge Keepers after school program |
| Wed, Sep 23, 2026 | Knowledge Keepers After School Program |
| Wed, Sep 30, 2026 | Knowledge Keeper After School Program |
| Wed, Oct 7, 2026 | Knowledge Keepers After School Program |
| Thu, Oct 8, 2026 | Parent-Teacher Conference |
| Thu, Oct 8, 2026 | Parent-Teacher Conference |
| Fri, Oct 9, 2026 | Teacher Professional Day - No School |
| Fri, Oct 9, 2026 | Teacher Professional Day - No School |
| Mon, Oct 12, 2026 | Fall Break - No School |
| Mon, Oct 12, 2026 | Fall Break - No School |
| Mon, Oct 19, 2026 | Start of Second Quarter |
| Mon, Oct 19, 2026 | Start of Second Quarter |
| Wed, Oct 21, 2026 | Knowledge Keepers After School Program |
| Sat, Oct 31, 2026 | Stu-co Halloween Student Mixer |
| Sat, Oct 31, 2026 | Stu-co Halloween Student Mixer |
| Wed, Nov 4, 2026 | Knowledge Keepers After School Program |
| Sat, Nov 7, 2026 | Stuco State Convention-Norman |
| Sat, Nov 7, 2026 | Stuco State Convention-Norman |
| Wed, Nov 11, 2026 | Knowledge Keepers After School Program |
| Wed, Nov 18, 2026 | Knowledge Keepers After School Program |
| Mon, Nov 23, 2026 | Thanksgiving Break - No School |
| Mon, Nov 23, 2026 | Thanksgiving Break - No School |
| Mon, Nov 30, 2026 | Stuco Santa Pictures AG |
| Mon, Nov 30, 2026 | Stuco Santa Pictures AG |
| Tue, Dec 1, 2026 | Stuco Santa Pictures LF |
| Tue, Dec 1, 2026 | Stuco Santa Pictures LF |
| Wed, Dec 2, 2026 | Knowledge Keepers After School Program |
| Wed, Dec 9, 2026 | Knowledge Keepers After School Program |
| Wed, Dec 16, 2026 | Semester Tests HS |
| Wed, Dec 16, 2026 | Semester Tests HS |
| Wed, Dec 16, 2026 | Knowledge Keepers After School Program |
| Thu, Dec 17, 2026 | Semester Tests HS |
| Thu, Dec 17, 2026 | Semester Tests HS |
| Fri, Dec 18, 2026 | Last Day of 1st Semester |
| Fri, Dec 18, 2026 | Semester Tests Makeup Day HS |
| Fri, Dec 18, 2026 | Semester Tests Makeup Day HS |
| Fri, Dec 18, 2026 | Last Day of 1st Semester |
| Mon, Dec 21, 2026 | Winter Break - No School |
| Mon, Dec 21, 2026 | Winter Break - No School |
| Mon, Dec 28, 2026 | Winter Break - No School |
| Mon, Dec 28, 2026 | Winter Break - No School |
| Mon, Jan 4, 2027 | Teacher Professional Day - No School |
| Mon, Jan 4, 2027 | Teacher Professional Day - No School |
| Tue, Jan 5, 2027 | 1st Day of 2nd Semester |
| Tue, Jan 5, 2027 | 1st Day of 2nd Semester |
| Wed, Jan 13, 2027 | Knowledge Keepers After School Program |
| Mon, Jan 18, 2027 | Martin Luther King Jr. Day - No School |
| Mon, Jan 18, 2027 | Martin Luther King Jr. Day - No School |
| Wed, Jan 20, 2027 | Knowledge Keepers After School Program |
| Wed, Jan 27, 2027 | Knowledge Keepers After School Program |
| Wed, Feb 3, 2027 | Knowledge Keepers After School Program |
| Wed, Feb 10, 2027 | Knowledge Keepers After School Program |
| Mon, Feb 15, 2027 | President's Day - No School |
| Mon, Feb 15, 2027 | President's Day - No School |
| Wed, Feb 17, 2027 | Knowledge Keepers After School Program |
| Wed, Feb 24, 2027 | Knowledge Keepers After School Program |
| Fri, Feb 26, 2027 | All School NASA Assembly and Art Show |
| Fri, Feb 26, 2027 | All School NASA Assembly and Art Show |
| Wed, Mar 3, 2027 | Knowledge Keepers After School Program |
| Wed, Mar 10, 2027 | Knowledge Keepers After School Program |
| Thu, Mar 11, 2027 | Parent Teacher Conference |
| Thu, Mar 11, 2027 | Parent Teacher Conference |
| Fri, Mar 12, 2027 | Teacher Professional Day - No School |
| Fri, Mar 12, 2027 | Teacher Professional Day - No School |
| Sat, Mar 13, 2027 | Stu-Co Spring Fling |
| Sat, Mar 13, 2027 | Stu-Co Spring Fling |
| Mon, Mar 15, 2027 | Spring Break |
| Mon, Mar 15, 2027 | Spring Break |
| Wed, Mar 24, 2027 | Knowledge Keepers After School Program |
| Fri, Mar 26, 2027 | Snow Day - No School |
| Fri, Mar 26, 2027 | Snow Day - No School |
| Wed, Mar 31, 2027 | Knowledge Keepers After School Program |
| Fri, Apr 2, 2027 | Snow Day - No School |
| Fri, Apr 2, 2027 | Snow Day - No School |
| Fri, Apr 9, 2027 | Snow Day - No School |
| Fri, Apr 9, 2027 | Snow Day - No School |
| Fri, Apr 16, 2027 | Snow Day - No School |
| Fri, Apr 16, 2027 | Snow Day - No School |
| Fri, Apr 23, 2027 | Snow Day - No School |
| Fri, Apr 23, 2027 | Snow Day - No School |
| Fri, Apr 30, 2027 | Snow Day - No School |
| Fri, Apr 30, 2027 | Snow Day - No School |
| Fri, May 7, 2027 | Snow Day - No School |
| Fri, May 7, 2027 | Snow Day - No School |
| Wed, May 12, 2027 | Senior Semester Tests |
| Wed, May 12, 2027 | Senior Semester Tests |
| Thu, May 13, 2027 | Senior Trip Day |
| Thu, May 13, 2027 | Senior Trip Day |
| Fri, May 14, 2027 | Snow Day - No School |
| Fri, May 14, 2027 | Snow Day - No School |
| Mon, May 17, 2027 | Senior Walk-Through, Practice, Awards Assembly, SB Game |
| Mon, May 17, 2027 | Senior Walk-Through, Practice, Awards Assembly, SB Game |
| Tue, May 18, 2027 | Semester Tests HS |
| Tue, May 18, 2027 | Semester Tests HS |
| Wed, May 19, 2027 | Semester Tests HS |
| Wed, May 19, 2027 | Semester Tests HS |
| Thu, May 20, 2027 | Last Day of School!! |
| Thu, May 20, 2027 | Semester Tests Makeup Day HS |
| Thu, May 20, 2027 | Last Day of School!! |
| Thu, May 20, 2027 | Semester Tests Makeup Day HS |
| Sat, May 22, 2027 | Graduation |
| Sat, May 22, 2027 | Graduation |
Showing 111 events for the 2026-27 school year
Frequently Asked Questions about CHELSEA MS
CHELSEA MS has a total enrollment of 181 students and serves grades Middle. The school is part of the local school district in Chelsea, OK.
Calendar Guides
School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically. · How we verify this data