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A

Costello Elementary School

PublicElementaryGrades PK–5

1333 Hamman Dr, Troy, MI 48085 · (248) 823-3700 · Part of Troy School District

Troy’s School Grade A+ better than 97% of Michigan school districts

Students
395
Students per teacher
16:1
Free or reduced lunch
10%
Setting
City
Grades
PK–5
The gist

What stands out about Costello Elementary School

  • Its own letter, A: reading and math results near the top of Michigan’s public schools
  • Math proficiency 27 pts above the state
  • Reading / language arts 14 pts above the state
  • Next stop for Troy kids: 4 middle schools

On the path

Where Troy kids come from and go next. The whole path →

PK–5Costello Elementary SchoolYou are here
6–84 middle schoolsDepends on your address

Test scores

2020–21
Math proficiency62%
State average 34.7%
Reading / language arts62%
State average 47.9%

Its own letter, A, places these results among Michigan’s 2,812 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

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 since 2020–21.

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.

Parents talk

Questions and answers about Costello Elementary School from Troy families.

Other schools in Troy School District

The district →

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Michigan’s other public schools; Troy’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.