Costello Elementary School
Troy, MI · Elementary School · Grades -1-5
Performance Overview
About This School
Costello Elementary School is a elementary school located in Troy, Michigan. The school serves 431 students in grades -1-5.
With a DataScore of 64/100 (C), Costello Elementary School performs at the state average for Michigan. Notably, the school is on an upward trend, showing meaningful improvement over the past three years.
15% of students qualify for free or reduced-price lunch, which is factored into the resource access component of the DataScore.
Frequently Asked Questions
Costello Elementary School has a DataScore of 64/100 (Grade C), based on academic proficiency (35%), growth trend (30%), and resource access (35%). This measures actual student outcomes, not school inputs.
Costello Elementary School has 431 students enrolled in grades -1-5. The student-to-teacher ratio is 15.4:1.
Yes, Costello Elementary School is on an upward trend with a 3-year growth score of +26, showing meaningful academic improvement.
The DataScore (0-100, A-F) grades every US public school based on academic outcomes: proficiency rates (35%), 3-year growth trend (30%), graduation rate for high schools (20%), and resource access (15%). Unlike other ratings, it focuses on what students actually achieve.
Costello Elementary School is part of the Troy School District in Troy, Michigan. You can view all schools in this district and compare their performance on the district page.
DataScore is calculated from NCES proficiency rates, 3-year growth trends, graduation rates (high schools), and resource access indicators.