MIHighCalendar available · 32 events · Auto-updating
Grass Lake High School — School Profile & District Info
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
25
Tue
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
26
Wed
First Day of SchoolEvent
Confirm bus route and pickup time. Early dismissal may apply.
Sep
4
Fri
Labor Day WeekendHoliday
Banks, government offices, and schools may be closed.
Sep
7
Mon
Labor DayHoliday
Banks, government offices, and schools may be closed.
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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
Dual Enrollment
Athletics
16 sports offered
Student-Teacher Ratio: 19.7:1
Worse than average in MIDistrict Finance (FY 2023)
Per-Pupil Spending
$14,295
District-level data
Funding Sources
Federal 5%State 66%Local 29%
Community Context
Median Home Value
$216,205
+3.2% YoY
Jackson, MI metro area · Zillow Feb 2026
Community Need Level
Moderate
CDC/ATSDR Social Vulnerability Index 2022
Enrollment Trend (2014-2025)
394
Current enrollment
Stable(+5% 5yr)Coming Up
Mon, Aug 24, 2026
Mandatory Professional Development
Staff DayTue, Aug 25, 2026
Back to School Night
EventTue, Aug 25, 2026
Mandatory Professional Development
Staff DayFull School Calendar 2026-27
| Date | Event |
|---|---|
| Fri, Sep 4, 2026 | Labor Day Weekend No School Staff and Students |
| Mon, Sep 7, 2026 | Labor Day No School Staff and Students |
| Wed, Oct 7, 2026 | PUPIL COUNT DAY |
| Fri, Oct 16, 2026 | End of First Quarter |
| 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 |
| 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 |
| 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 |
| 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 |
| Wed, Feb 10, 2027 | PUPIL COUNT DAY |
| Fri, Feb 12, 2027 | 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 26, 2027 | Spring Break No School Staff and Students |
| Mon, Apr 26, 2027 | Staff Professional Development No School Students |
| Fri, May 14, 2027 | Seniors' Last Day |
| Wed, May 26, 2027 | Baccalaureate |
| Thu, May 27, 2027 | Senior Awards Night |
| Mon, May 31, 2027 | Memorial Day No School Staff and Students |
| 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 |
| 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 | Last day for students |
Showing 28 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.