Ann Arbor Open at Mack School
Score 96.0/100: better than 96% of Michigan K-8 schools on 2025-26 state tests. Schools are only compared with others of the same type in the same state. How we score schools
Performance (state tests, 2025-26)
% proficient on state tests in Michigan, all students. Colored bars are green when the school is at or above the average for similar Michigan schools.
Results over time
How this school's published results have moved year by year. This school takes more than one kind of test and the mix changes from year to year, so the percentile is the fairer comparison over time.
All 16 published results by grade and test
As published by Michigan Center for Educational Performance and Information (MI School Data). "Hidden" means the state didn't publish the result to protect student privacy.
| Subject | Grade | Test | Result | Students tested |
|---|---|---|---|---|
| English language arts | Grade 3 | M-STEP | 52.4 | 63 |
| English language arts | Grade 4 | M-STEP | 63.2 | 57 |
| English language arts | Grade 5 | M-STEP | 82.8 | 58 |
| English language arts | Grade 6 | M-STEP | 81.4 | 43 |
| English language arts | Grade 7 | M-STEP | 78 | 50 |
| English language arts | Grade 8 | PSAT | 88.6 | 35 |
| Math | Grade 3 | M-STEP | 49.2 | 63 |
| Math | Grade 4 | M-STEP | 49.1 | 57 |
| Math | Grade 5 | M-STEP | 74.1 | 58 |
| Math | Grade 6 | M-STEP | 74.4 | 43 |
| Math | Grade 7 | M-STEP | 62.7 | 51 |
| Math | Grade 8 | PSAT | 71.4 | 35 |
| Science | Grade 5 | M-STEP | 81 | 58 |
| Science | Grade 8 | M-STEP | 78.9 | 38 |
| Social studies | Grade 5 | M-STEP | 63.8 | 58 |
| Social studies | Grade 8 | M-STEP | 82.1 | 39 |
School profile
- Grades
- K-8
- Students
- 541
- Type
- K-8 school
- Charter school
- No
- Program
- Regular
Students
District and location
Contact
Ann Arbor, MI 48103
"Typical" is the middle (median) K-8 school in Michigan. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).
Nearby K-8 schools
Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.
Explore schools around Ann Arbor
Location
Official sources
Every figure on this page comes from published government data. Check the originals here; we refresh when states release new results.
U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD): school directory, grades served, enrollment and free/reduced-price lunch, 2023-24 and 2024-25. Spotted a mistake? Tell us.
Ann Arbor Open at Mack School at a glance
Ann Arbor Open at Mack School is a public K-8 school in Ann Arbor, Michigan, serving grades K-8. It is part of Ann Arbor Public Schools. It has about 541 students (a typical Michigan K-8 school has 359). About 9% of students are eligible for free or reduced-price lunch, compared with 81% at a typical Michigan K-8 school, which is useful context when reading test results.
In 2025-26 state tests, 73% in English language arts (similar schools: 34%) and 62% in math (similar schools: 26%) reached the state standard (% proficient). On our score, which compares it only with other Michigan K-8 schools, it scores 96.0 out of 100: better than 96% of them, ranking #10 of 240. Its English language arts result fell by 3 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.
Page updated 2026-10-12.