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Thumb Correctional Facility

3225 John Conley Dr
Lapeer, MI 48446
Thumb Correctional Facility is a Michigan prison, located in Lapeer, for male prisoners. It is a Level II, lower-level security prison.
Thumb Correctional Facility serves 4 students in grades 9-12. 
Minority enrollment is 75% of the student body (majority Black), which is higher than the Michigan state average of 37% (majority Black and Hispanic).

Quick Facts (2026)

  • School Type: Alternative school
  • Grades: 9-12
  • Enrollment: 4 students
  • Minority Enrollment: 75%
  • : <50% (Top 1% in MI)
  • Source: National Center for Education Statistics (NCES), MI Dept. of Education

Top Rankings

Thumb Correctional Facility ranks among the top 20% of public schools in Michigan for:

School Overview

Thumb Correctional Facility's student population of 4 students has declined by 60% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
Total Students
4 students
Gender %
Total Classroom Teachers
n/a

School Rankings

The diversity score of Thumb Correctional Facility is 0.63, 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.
This School
State Level (MI)
Student-Teacher Ratio
n/a
17:1
American Indian
n/a
1%
Asian
n/a
4%
Hispanic
25%
9%
Black
50%
18%
White
25%
63%
Hawaiian
n/a
n/a
Two or more races
n/a
5%
All Ethnic Groups
0.63
(17-18)
<50%
85%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
77%
49%
School Statewide Testing
Source: National Center for Education Statistics (NCES), MI Dept. of Education
Profile last updated: 02/09/2025

Frequently Asked Questions

What is the graduation rate of Thumb Correctional Facility?
The graduation rate of Thumb Correctional Facility is 50%, which is lower than the Michigan state average of 85%.
How many students attend Thumb Correctional Facility?
4 students attend Thumb Correctional Facility.
What is the racial composition of the student body?
50% of Thumb Correctional Facility students are Black, 25% of students are Hispanic, and 25% of students are White.
What grades does Thumb Correctional Facility offer ?
Thumb Correctional Facility offers enrollment in grades 9-12 (No virtual instruction).
What school district is Thumb Correctional Facility part of?
Thumb Correctional Facility is part of Michigan Department Of Corrections School District.

School Reviews

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Quick Facts (2026)

  • School Type: Alternative school
  • Grades: 9-12
  • Enrollment: 4 students
  • Minority Enrollment: 75%
  • : <50% (Top 1%)
  • Source: National Center for Education Statistics (NCES), MI Dept. of Education

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