Arbor Preparatory High School

Set in YPSILANTI, Michigan, Arbor Preparatory High School is a small four-year high school, part of Arbor Preparatory High School. It educates 278 students across grades 9 through 12. By comparison, Michigan's public schools average about 460 students each, so Arbor Preparatory High School sits 40% below that benchmark.

Arbor Preparatory High School sits inside Arbor Preparatory High School, the local public-school operator responsible for the campus.

On demographics, Arbor Preparatory High School logs that the largest single group is Black at 50%, but no single group is in the majority. The remainder looks like 20% White, 15% Hispanic, 12% multiracial. That is visibly more Black than the county at large, where the share is closer to 12%.

On the income-and-resources front, Arbor Preparatory High School logs 19 full-time-equivalent teachers, putting the student-to-teacher ratio at about 14.7:1. The state averages around 21.6:1, so this campus is tighter than the state norm typical. Roughly 57% of students at Arbor Preparatory High School qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Washtenaw County runs at roughly 34%, so the school's eligibility rate is somewhat above the surrounding baseline.

Around the school, the surrounding county (Washtenaw County) logs that median household earnings sit near $89,180, about 59% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 7%. Arbor Preparatory High School is one of 104 public schools in Washtenaw County (combined enrollment of about 42,861 students).

East Arbor Charter Academy is the nearest neighboring public school, about 0.1 miles from this campus. Counting just inside five miles, 8 other public schools cluster around Arbor Preparatory High School.

The school occupies a small-town site. As a public charter, Arbor Preparatory High School runs on public funding but with greater curricular and operational autonomy than a typical district school.

Over the past 7-year window. Arbor Preparatory High School's enrollment has declined 17% since 2018, when it stood at 334 (now 278). Over the same period, the White share shrank from 35% to 20%. Class-load math has fell: from 16.8:1 in 2018 to 14.7:1 in 2025.

Within the allk12 community for this school, posts here usually surface around classroom updates, athletics, and weather closures. Members of the school community can share what they know.