Serving 257 students in grades Prekindergarten-5, Costello School ranks in the bottom 50% of all schools in Illinois for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 6-9% (which is lower than the Illinois state average of 28%). The percentage of students achieving proficiency in reading/language arts is 30-34% (which is approximately equal to the Illinois state average of 30%).
The student:teacher ratio of 9:1 is lower than the Illinois state level of 14:1.
Minority enrollment is 87% of the student body (majority Hispanic), which is higher than the Illinois state average of 55% (majority Hispanic).
Quick Stats (2024-25)
Grades: Prekindergarten-5
Enrollment: 257 students
Student:Teacher Ratio: 9:1
Minority Enrollment: 87%
Overall Testing Rank
: Bottom 50% in IL
Math Proficiency
: 6-9% (Btm 50%)
Reading Proficiency
: 30-34% (Top 50%)
Science Proficiency
: 40-49% (Btm 50%)
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Costello School ranks within the bottom 50% of all 3,426 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Costello School is 0.34, which is less than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.
Costello School is ranked #2081 out of 3,426 schools, which ranks it among the bottom 50% of public schools in Illinois.
What percent of students have achieved state testing proficiency in math and reading?
6-9% of students have achieved math proficiency (compared to the 28% IL state average), while 30-34% of students have achieved reading proficiency (compared to the 30% IL state average).
How many students attend Costello School?
257 students attend Costello School.
What is the racial composition of the student body?
80% of Costello School students are Hispanic, 13% of students are White, 5% of students are Black, and 2% of students are Two or more races.
What is the student:teacher ratio of Costello School?
Costello School has a student ration of 9:1, which is lower than the Illinois state average of 14:1.
What grades does Costello School offer ?
Costello School offers enrollment in grades Prekindergarten-5
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Quick Stats (2024-25)
Grades: Prekindergarten-5
Enrollment: 257 students
Student:Teacher Ratio: 9:1
Minority Enrollment: 87%
Overall Testing Rank
: Bottom 50%
Math Proficiency
: 6-9% (Btm 50%)
Reading Proficiency
: 30-34% (Top 50%)
Science Proficiency
: 40-49% (Btm 50%)
Source: National Center for Education Statistics (NCES), IL Dept. of Education
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