The school family of St. Thomas the Apostle School of Crystal Lake, Illinois provides faith formation and academic excellence for all students desiring a Catholic elementary education.
The uniqueness of each child is developed and celebrated within an environment where God can be encountered.
By teaching and modeling Gospel values, we enable our students to become socially responsible Catholic leaders of the Third Millennium.

Quick Stats (2021-22)

  • Top Ranked IL School
  • Grades: Prekindergarten-8
  • Students: 308 students
  • Yearly Tuition: $6,096
  • Average class size: 18 students
  • Application Deadline: None / Rolling

Top Rankings

St. Thomas The Apostle School ranks among the top 20% of private schools in Illinois for:

Category
Attribute

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Learning Programs Supported
yes-

Student Body

Total Students
308 students
Student Body Type
Co-ed
% Students of Color
4%
State avg.: 34%
Students by Grade
St. Thomas The Apostle School Student By Grade

Academics and Faculty

Total Classroom Teachers
21 teachers
Student : Teacher Ratio
15:1
National avg.: 13:1
% Faculty w/Advanced Degree
35%
Average Class Size
18 students

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
Fair Ability program that meets the needs of all budgets
% on Financial Aid
80%
Average Financial Aid Grant
$3,000

Sports

Total Sports Offered
5 sports

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
3 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Chess, Photography Club

Arts and Music Programs:
Choir

School Notes

  • The school family of St. Thomas the Apostle School of Crystal Lake, Illinois provides faith formation and academic excellence for all students desiring a Catholic elementary education. The uniqueness of each child is developed and celebrated within an environment where God can be encountered. By teaching and modeling Gospel values, we enable our students to become socially responsible Catholic leaders of the Third Millennium.

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Quick Stats (2021-22)

  • Top Ranked IL School
  • Grades: Prekindergarten-8
  • Students: 308 students
  • Yearly Tuition: $6,096
  • Average class size: 18 students
  • Application Deadline: None / Rolling

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Did You Know?

The average private school tuition in Mchenry County, IL is $4,881 for elementary schools (read more about average private school tuition across the country).

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