Serving 406 students in grades Prekindergarten-5, Costello Elementary School ranks in the top 5% of all schools in Michigan for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 67% (which is higher than the Michigan state average of 34%). The percentage of students achieving proficiency in reading/language arts is 72% (which is higher than the Michigan state average of 45%).
The student:teacher ratio of 16:1 is lower than the Michigan state level of 17:1.
Minority enrollment is 43% of the student body (majority Asian), which is higher than the Michigan state average of 37% (majority Black and Hispanic).
Quick Stats (2025)
Grades: Prekindergarten-5
Enrollment: 406 students
Student:Teacher Ratio: 16:1
Minority Enrollment: 43%
Overall Testing Rank
: Top 5% in MI
Math Proficiency
: 67% (Top 5%)
Reading Proficiency
: 72% (Top 10%)
Science Proficiency
: 65-69% (Top 5%)
Source: National Center for Education Statistics (NCES), MI Dept. of Education
Costello Elementary School ranks within the top 5% of all 3,069 schools in Michigan (based off of combined math and reading proficiency testing data).
The diversity score of Costello Elementary School is 0.58, which is more than the diversity score at state average of 0.56. The school's diversity has stayed relatively flat over five school years.
Costello Elementary School is ranked #126 out of 3,069 schools, which ranks it among the top 5% of public schools in Michigan.
What schools are Costello Elementary School often compared to?
Costello Elementary Schoolis often viewed alongside schools like Hamilton Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
67% of students have achieved math proficiency (compared to the 34% MI state average), while 72% of students have achieved reading proficiency (compared to the 45% MI state average).
How many students attend Costello Elementary School?
406 students attend Costello Elementary School.
What is the racial composition of the student body?
57% of Costello Elementary School students are White, 31% of students are Asian, 6% of students are Hispanic, 5% of students are Two or more races, and 1% of students are Black.
What is the student:teacher ratio of Costello Elementary School?
Costello Elementary School has a student ration of 16:1, which is lower than the Michigan state average of 17:1.
What grades does Costello Elementary School offer ?
Costello Elementary School offers enrollment in grades Prekindergarten-5
What school district is Costello Elementary School part of?
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Quick Stats (2025)
Grades: Prekindergarten-5
Enrollment: 406 students
Student:Teacher Ratio: 16:1
Minority Enrollment: 43%
Overall Testing Rank
: Top 5%
Math Proficiency
: 67% (Top 5%)
Reading Proficiency
: 72% (Top 10%)
Science Proficiency
: 65-69% (Top 5%)
Source: National Center for Education Statistics (NCES), MI Dept. of Education
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