Costello Elementary School

Costello Elementary School is an elementary campus of reasonably sized scale in TROY, Michigan, run under Troy School District, enrolling 395 students in grades pre-K through 5.

Troy School District runs 21 schools in total, collectively educating 11,596 students. Costello Elementary School is one of those campuses.

On the student-mix side, Costello Elementary School reports that the largest single group is White at 55%, but no single group is in the majority. The remainder reads as 31% Asian, 6% Hispanic, 6% multiracial. By comparison, Oakland County as a whole is about 69% White, so the school skews visibly less White than its surroundings.

In terms of school funding signals, Costello Elementary School shows 24 full-time-equivalent teachers, putting the student-to-teacher ratio at about 16.4:1. The state averages about 15.8:1, putting this campus right in line with peers. Around 10% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy. That share is noticeably below Oakland County's rate of about 32%.

Adjusting for the school's free-and-reduced-lunch share, Costello Elementary School tracks the demographic baseline. The model predicts 61.7% given the school's FRL share; actual proficiency is 69.0%.

In the surrounding community, community-level numbers for Oakland County indicate median household income runs about $97,760, 51% of adults hold a bachelor's degree or higher, and the poverty rate sits near 5%. Across Oakland County's 345 public schools (combined enrollment of about 169,926 students), Costello Elementary School is one campus in the mix.

Athens High School is the nearest neighboring public school, about 0.5 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Costello Elementary School comes 2nd of 7 in the immediate cluster, higher than the nearby-schools average of 63.2%.

The school occupies an inner-city site.

Looking at the recent track record. Looking back 7 years, enrollment at Costello Elementary School has grew 10%, going from 359 students in 2018 to 395 in 2025. Over the same period, the White share decreased from 62% to 55%. The student-to-teacher ratio loosened from 15.4:1 in 2018 to 16.4:1 today.

In the discussion threads here, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.