Serving 508 students in grades Kindergarten-8, Ann Arbor Open At Mack School ranks in the top 10% of all schools in Michigan for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 59% (which is higher than the Michigan state average of 35%). The percentage of students achieving proficiency in reading/language arts is 68% (which is higher than the Michigan state average of 45%).
The student-teacher ratio of 15:1 is lower than the Michigan state level of 16:1.
Minority enrollment is 30% of the student body (majority Hispanic), which is lower than the Michigan state average of 37% (majority Black).
Quick Facts (2026)
- Grades: Kindergarten-8
- Enrollment: 508 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 30%
- Overall Testing Rank: Top 10% in MI
- Math Proficiency: 59% (Top 20%)
- Reading Proficiency: 68% (Top 10%)
- Science Proficiency: 75-79% (Top 1%)
- Source: National Center for Education Statistics (NCES), MI Dept. of Education
Top Rankings
Ann Arbor Open At Mack School ranks among the top 20% of public schools in Michigan for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Ann Arbor Open At Mack School's student population of 508 students has declined by 5% over five school years.
The teacher population of 34 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-8
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
508 students
Total Classroom Teachers
34 teachers
Year Founded
1986
School Rankings
Ann Arbor Open At Mack School ranks within the top 10% of all 3,025 schools in Michigan (based off of combined math and reading proficiency testing data).
The diversity score of Ann Arbor Open At Mack School is 0.48, which is less than the diversity score at state average of 0.57. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#267 out of 3025 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
59%
35%
Reading/Language Arts Test Scores (% Proficient)
68%
45%
Science Test Scores (% Proficient)
75-79%
38%
Student-Teacher Ratio
15:1
16:1
American Indian
n/a
1%
Asian
5%
4%
Hispanic
8%
9%
Black
2%
18%
White
70%
63%
Hawaiian
n/a
n/a
Two or more races
15%
5%
All Ethnic Groups
Chronically Absent Students
(22-23)28%
33.3%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
10%
45%
Eligible for Reduced Lunch (22-23)
1%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MI Dept. of Education
Frequently Asked Questions
What is Ann Arbor Open At Mack School's ranking?
Ann Arbor Open At Mack School is ranked #267 out of 3,025 schools, which ranks it among the top 10% of public schools in Michigan.
What schools are Ann Arbor Open At Mack School often compared to?
Ann Arbor Open At Mack Schoolis often viewed alongside schools like Bach Elementary School, Eberwhite School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
59% of students have achieved math proficiency (compared to the 35% MI state average), while 68% of students have achieved reading proficiency (compared to the 45% MI state average).
How many students attend Ann Arbor Open At Mack School?
508 students attend Ann Arbor Open At Mack School.
What is the racial composition of the student body?
70% of Ann Arbor Open At Mack School students are White, 15% of students are Two or more races, 8% of students are Hispanic, 5% of students are Asian, and 2% of students are Black.
What is the student-teacher ratio of Ann Arbor Open At Mack School?
Ann Arbor Open At Mack School has a student ration of 15:1, which is lower than the Michigan state average of 16:1.
What grades does Ann Arbor Open At Mack School offer ?
Ann Arbor Open At Mack School offers enrollment in grades Kindergarten-8 (Supplemental Virtual).
What school district is Ann Arbor Open At Mack School part of?
Ann Arbor Open At Mack School is part of Ann Arbor School District.
In what neighborhood is Ann Arbor Open At Mack School located?
Ann Arbor Open At Mack School is located in the Upper Water Hill neighborhood of Ann Arbor, MI.
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