Thomas Middle School

1430 N Belmont Ave, Arlington Heights, IL 60004

BSchola Grade
Grades
6–8
Middle
Students
1,024
Enrolled 2024–25
Students per teacher
13.3 : 1
Full-time teachers
District
Arlington Heights SD 25
Cook County

Schola Grade B · Above average

Letter grade (A–F) · compared with 688 Illinois middle schools · How we grade
Test scores39% proficient in math & reading
68thpercentile
Equity22% of low-income students proficient
62ndpercentile
Attendance12% chronically absent
89thpercentile
Class size13.3 students per teacher
40thpercentile

Percentiles compare this school with other Illinois middle schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Thomas Middle School

Thomas Middle School is a public middle school in Arlington Heights, Illinois, serving grades 6–8. It is part of Arlington Heights SD 25. The school is located in a large suburb in Cook County.

In the 2024–25 school year, 1,024 students were enrolled, with about 13.3 students for every full-time teacher. That ratio is larger than the typical Illinois middle school (12.7 students per teacher). Its Schola Grade is B (above average), compared with 688 Illinois middle schools.

Grades & enrollment

Students per grade, 2024–25Grades 6–8

Location & nearby schools

1430 N Belmont Ave
Arlington Heights, IL 60004
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School details

Type
Public School · What this means
Level
Middle
Grades offered
6–8
Enrollment (2024–25)
1,024 students
Students per teacher
13.3 to 1
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Arlington Heights SD 25
County
Cook County
NCES school ID
170414000106

Schools near Thomas Middle School

All 30 schools in Arlington Heights →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.