A
Costello Elementary School
PublicElementaryGrades PK–5
1333 Hamman Dr, Troy, MI 48085 · (248) 823-3700 · Part of Troy School District
Students
395
Students per teacher
16:1
Free or reduced lunch
10%
Setting
City
Grades
PK–5
What stands out about Costello Elementary School
- School Grade A: near the top of Michigan’s public schools
- Math proficiency 27 pts above the state
- Reading / language arts 14 pts above the state
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency62%
State average 34.7%
Reading / language arts62%
State average 47.9%
Location
Directions ↗
1333 Hamman Dr, Troy
Students
Enrollment by grade
Kindergarten50
Grade 164
Grade 265
Grade 365
Grade 476
Grade 575
Enrollment over time
407’20
416’21
431’22
406’23
395’24
About steady.
Who goes here
White 55%Asian 31%Hispanic 6%Two or more races 6%Black 2%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Costello Elementary School.
Other schools in Troy School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.