Ann Arbor Open at Mack School

Ann Arbor Open at Mack School is an elementary school of medium-sized scale in ANN ARBOR, Michigan, one of the schools within Ann Arbor Public Schools, works with 508 students in grades K through 8. That puts it 38% above the typical public school in Michigan, which averages around 369 students.

Ann Arbor Public Schools comprises 32 schools with combined enrollment of 16,551 students; Ann Arbor Open at Mack School is among them.

On the student-mix side, Ann Arbor Open at Mack School shows that 70% of the student body identifies as White. Other groups include 15% multiracial, 8% Hispanic, 5% Asian. Compared to Washtenaw County overall, the school's racial mix sits in roughly the same range.

On the income-and-resources front, On paper, Ann Arbor Open at Mack School has 34 full-time-equivalent teachers, translating to a class-load average of around 14.8:1. Statewide, the average ratio sits near 15.8:1, putting Ann Arbor Open at Mack School tighter than the state norm the norm. Around 10% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator. That share is noticeably below Washtenaw County's rate of about 34%.

With demographic context factored in, Ann Arbor Open at Mack School tracks the demographic baseline. The model predicts 61.8% given the school's FRL share; actual proficiency is 69.4%.

Zooming out to the county, ACS estimates for Washtenaw County put median household earnings sit near $89,180, 59% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 7%. Across Washtenaw County's 104 public schools (combined enrollment of about 42,861 students), Ann Arbor Open at Mack School is one campus in the mix.

The closest other public school is Slauson Middle School, roughly 0.5 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 8 schools in that immediate cluster with test data (this one included), Ann Arbor Open at Mack School ranks 3rd on composite proficiency, above the local average of 62.6%.

Geographically, the school is in a downtown area.

Five-year trend. Looking back 7 years, enrollment at Ann Arbor Open at Mack School has showed little movement, going from 518 students in 2018 to 508 in 2025. The White share of enrollment declined from 79% to 70% over that span.

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