MIHighCalendar available · 91 events · Auto-updating
Grass Lake High School — School Calendar 2026-27
High|GRASS LAKE, Michigan|Grass Lake Community Schools
GRASS LAKE, MI 49240
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Upcoming Events
Aug
24
Mon
Mandatory Professional DevelopmentStaff Day
No school today. Confirm childcare or before/after-care coverage.
Aug
24
Mon
Back to School NightEvent
All Bldgs: 4:30-6:30 pm
Aug
24
Mon
Mandatory Professional DevelopmentStaff Day
No school today. Confirm childcare or before/after-care coverage.
Aug
24
Mon
Back to School NightEvent
All Bldgs: 4:30-6:30 pm
Aug
25
Tue
Mandatory Professional DevelopmentStaff Day
No school today. Confirm childcare or before/after-care coverage.
Aug
25
Tue
Back to School NightEvent
All Bldgs: 4:30-6:30 pm
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School Profile
Grades
9–12
Enrollment
392
Student:Teacher
19.6:1
Locale
Rural
District
Grass Lake Community SchoolsEcon. Disadvantaged
30.9%
Phone
(517)867-5570School Statistics
Academics (SY 2020-21)
ELA Proficiency
60-64%
Math Proficiency
25-29%
Graduation Rate
90-94%
Chronic Absenteeism
11.9%
SY 2019-20
Programs & Activities (SY 2021-22)
AP Program
5 courses offered
57 students enrolled
Dual Enrollment
79 students enrolled
Athletics
16 sports, 24 teams
191 participants
Student-Teacher Ratio: 19.7:1
Worse than average in MITechnology & Internet Access (SY 2021-22)
1:1 Devices
Student devices available
Wi-Fi
Campus-wide wireless
Fiber Internet
High-speed connection
382
Connected devices
Staff & Support Services (SY 2021-22)
Teachers (FTE)
20
100% fully certified
Counselors
1
School Resource Officers
0.5
Anti-Bullying Policy
District Finance (FY 2023)
Per-Pupil Spending
$14,295
Total current expenditure
Instruction Spending
$8,958
Per pupil, classroom only
Total Revenue/Pupil
$16,278
All funding sources
Funding Sources
Federal 5%State 66%Local 29%
District-level data from NCES F-33 Survey
Community Context
Median Home Value
$216,205
+3.2% 1yr+28.0% 5yr
Jackson, MI metro area
Community Need Level
Moderate
CDC/ATSDR Social Vulnerability Index 2022
Neighborhood Indicators (Census Tract)
20.8%
Below 150% poverty line
6.4%
Unemployment rate
5.7%
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
156
Ages 3-21 under IDEA
School-Age (6-21)
156
Receiving special ed services
Est. % of Enrollment
40%
District rate, school may vary
Disability Categories (District)
Specific Learning Disability
86 (55%)
Speech/Language Impairment
29 (19%)
Other Health Impairment
24 (15%)
Autism
8 (5%)
Emotional Disturbance
4 (3%)
Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ
Enrollment Trend (2014-2025)
394
Current enrollment
Stable(+5% 5yr)Coming Up
Mon, Aug 24, 2026
Mandatory Professional Development
Staff DayMon, Aug 24, 2026
Back to School Night
EventMon, Aug 24, 2026
Mandatory Professional Development
Staff DayFull School Calendar 2026-27
| Date | Event |
|---|---|
| Fri, Sep 4, 2026 | Labor Day Weekend No School Staff and Students |
| Fri, Sep 4, 2026 | Labor Day Weekend No School Staff and Students |
| Mon, Sep 7, 2026 | Labor Day No School Staff and Students |
| Mon, Sep 7, 2026 | Labor Day No School Staff and Students |
| Wed, Oct 7, 2026 | PUPIL COUNT DAY |
| Wed, Oct 7, 2026 | PUPIL COUNT DAY |
| Wed, Oct 7, 2026 | Pupil Count Day |
| Wed, Oct 7, 2026 | Pupil Count Day |
| Fri, Oct 16, 2026 | End of First Quarter |
| Fri, Oct 16, 2026 | End of First Quarter |
| Mon, Oct 19, 2026 | Mandatory Professional Day No School Students |
| Mon, Oct 19, 2026 | No School Students - Mandatory Professional Day |
| Mon, Oct 19, 2026 | Mandatory Professional Day No School Students |
| Mon, Oct 19, 2026 | No School Students - Mandatory Professional Day |
| Thu, Oct 29, 2026 | early_dismissal Half Day Students -EL and MS Parent/Teacher Conferences |
| Thu, Oct 29, 2026 | early_dismissal Half Day Students -EL and MS Parent/Teacher Conferences |
| Fri, Oct 30, 2026 | Half Day Students and Staff |
| Fri, Oct 30, 2026 | Half Day Students and Staff |
| Fri, Oct 30, 2026 | Half Day Students and Staff |
| Fri, Oct 30, 2026 | Half Day Students and Staff |
| Wed, Nov 25, 2026 | Thanksgiving Break No School Staff and Students |
| Wed, Nov 25, 2026 | Thanksgiving Break No School Staff and Students |
| Thu, Dec 17, 2026 | High School Exams Full Day for Students K-12/Staff |
| Thu, Dec 17, 2026 | High School Exams Full Day for Students K-12/Staff |
| Fri, Dec 18, 2026 | High school Exams Half Day for Students End of First Semester |
| Fri, Dec 18, 2026 | early_dismissal Half Day for Students End of First Semester |
| Fri, Dec 18, 2026 | High School Exams Half Day Staff & Students K-12 End of First Semester |
| Fri, Dec 18, 2026 | early_dismissal Half Day for Students End of First Semester |
| Fri, Dec 18, 2026 | High School Exams Half Day Staff & Students K-12 End of First Semester |
| Fri, Dec 18, 2026 | High school Exams Half Day for Students End of First Semester |
| Mon, Dec 21, 2026 | Winter Break No School Staff and Students |
| Mon, Dec 21, 2026 | Winter Break No School Staff and Students |
| Mon, Jan 18, 2027 | Martin Luther King Day No School for Students Non-Mandatory Professional Development |
| Mon, Jan 18, 2027 | Non-Mandatory Professional Development |
| Mon, Jan 18, 2027 | Martin Luther King Day No School for Students Non-Mandatory Professional Development |
| Mon, Jan 18, 2027 | Non-Mandatory Professional Development |
| Wed, Feb 10, 2027 | Pupil Count Day |
| Wed, Feb 10, 2027 | PUPIL COUNT DAY |
| Wed, Feb 10, 2027 | Pupil Count Day |
| Wed, Feb 10, 2027 | PUPIL COUNT DAY |
| Fri, Feb 12, 2027 | No School Staff and Students |
| Fri, Feb 12, 2027 | No School Staff and Students |
| Fri, Feb 12, 2027 | No School Staff and Students |
| Fri, Feb 12, 2027 | No School Staff and Students |
| Mon, Feb 15, 2027 | President's Day No School Staff and Students |
| Mon, Feb 15, 2027 | President's Day No School Staff and Students |
| Fri, Mar 19, 2027 | End of Third Quarter |
| Fri, Mar 19, 2027 | End of Third Quarter |
| Fri, Mar 26, 2027 | Spring Break No School Staff and Students |
| Fri, Mar 26, 2027 | Spring Break No School Staff and Students |
| Mon, Apr 26, 2027 | Staff Professional Development No School Students |
| Mon, Apr 26, 2027 | Staff Professional Development No School Students |
| Fri, May 14, 2027 | Seniors' Last Day |
| Fri, May 14, 2027 | Seniors' Last Day |
| Fri, May 21, 2027 | Seniors' Last Day |
| Fri, May 21, 2027 | Seniors' Last Day |
| Wed, May 26, 2027 | Baccalaureate |
| Wed, May 26, 2027 | Baccalaureate |
| Thu, May 27, 2027 | Senior Awards Night |
| Mon, May 31, 2027 | Memorial Day No School Staff and Students |
| Mon, May 31, 2027 | Memorial Day No School Staff and Students |
| Wed, Jun 2, 2027 | Baccalaureate |
| Wed, Jun 2, 2027 | Baccalaureate |
| Thu, Jun 3, 2027 | Senior Awards Night |
| Thu, Jun 3, 2027 | Senior Awards Night |
| Sun, Jun 6, 2027 | Graduation |
| Sun, Jun 6, 2027 | Graduation |
| Wed, Jun 9, 2027 | High School Exams Half Day for Students K-12 |
| Wed, Jun 9, 2027 | early_dismissal Half Day for Students K-12 |
| Wed, Jun 9, 2027 | early_dismissal Half Day for Students K-12 |
| Wed, Jun 9, 2027 | High School Exams Half Day for Students K-12 |
| Thu, Jun 10, 2027 | Last Day of School for Students Half Day for Staff & Students K-12 |
| Thu, Jun 10, 2027 | Last Day of School For students |
| Thu, Jun 10, 2027 | Last day for students |
| Thu, Jun 10, 2027 | High School Exams Half Day for Students K-12 |
| Thu, Jun 10, 2027 | early_dismissal Half Day for Students K-12 |
| Thu, Jun 10, 2027 | early_dismissal Half Day for Students K-12 |
| Thu, Jun 10, 2027 | Last Day of School for Students Half Day for Staff & Students K-12 |
| Thu, Jun 10, 2027 | Last Day of School For students |
| Thu, Jun 10, 2027 | Last day for students |
| Thu, Jun 10, 2027 | High School Exams Half Day for Students K-12 |
Showing 81 events for the 2026-27 school year
Frequently Asked Questions about Grass Lake High School
Grass Lake High School currently enrolls 392 students across High grade levels. The school operates under the local school district in MI.
Calendar Guides
School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically. · How we verify this data