Dee-mack High School

401 E Fifth St
Mackinaw, IL 61755
(School attendance zone shown in map)
6/
10
Top 50%
Serving 289 students in grades 9-12, Dee-mack High School ranks in the top 50% of all schools in Illinois for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 25-29% (which is approximately equal to the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 25-29% (which is lower than the Illinois state average of 30%).
The student-teacher ratio of 12:1 is lower than the Illinois state level of 13:1.
Minority enrollment is 5% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).

Quick Facts (2026)

  • Grades: 9-12
  • Enrollment: 289 students
  • Student-Teacher Ratio: 12:1
  • Minority Enrollment: 5%
  • : 90-94% (Top 20% in IL)
  • : Top 50%
  • : 25-29% (Top 50%)
  • : 25-29% (Top 50%)
  • : 45-49% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), IL Dept. of Education

Top Rankings

Dee-mack High School ranks among the top 20% of public schools in Illinois for:

Category
Attribute
Most improved public schools

School Overview

Dee-mack High School's student population of 289 students has declined by 7% over five school years.
The teacher population of 24 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
No Summary generated because only 4 years of data available
Total Students
289 students
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Gender %
Total Classroom Teachers
24 teachers
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School Rankings

Dee-mack High School ranks within the top 50% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Dee-mack High School is 0.10, 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.
This School
State Level (IL)
#1429 out of 3542 schools
(Top 50%)
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25-29%
27%
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25-29%
30%
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45-49%
50%
Student-Teacher Ratio
12:1
13:1
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American Indian
1%
n/a
No Summary generated because only 2 years of data available
Asian
n/a
6%
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Hispanic
3%
28%
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Black
n/a
17%
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White
95%
45%
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Hawaiian
n/a
n/a
Two or more races
1%
4%
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All Ethnic Groups
0.10
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90-94%
87%
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Eligible for Free Lunch
14%
43%
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Eligible for Reduced Lunch
13%
4%
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School Statewide Testing
Source: National Center for Education Statistics (NCES), IL Dept. of Education

Frequently Asked Questions

What is Dee-mack High School's ranking?
Dee-mack High School is ranked #1429 out of 3,542 schools, which ranks it among the top 50% of public schools in Illinois.
What schools are Dee-mack High School often compared to?
Dee-mack High Schoolis often viewed alongside schools like Eureka High School, Tremont High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
25-29% of students have achieved math proficiency (compared to the 27% IL state average), while 25-29% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Dee-mack High School?
The graduation rate of Dee-mack High School is 90-94%, which is higher than the Illinois state average of 87%.
How many students attend Dee-mack High School?
289 students attend Dee-mack High School.
What is the racial composition of the student body?
95% of Dee-mack High School students are White, 3% of students are Hispanic, 1% of students are American Indian, and 1% of students are Two or more races.
What is the student-teacher ratio of Dee-mack High School?
Dee-mack High School has a student ration of 12:1, which is lower than the Illinois state average of 13:1.
What grades does Dee-mack High School offer ?
Dee-mack High School offers enrollment in grades 9-12
What school district is Dee-mack High School part of?

School Calendar

View the Dee-mack High School yearly calendar below. Note key dates such as:

Event
Date
1:30 Dismissal - LAST DAY OF SCHOOL (2 or fewer snow days used)
May 21, 2026 (Thursday)

School Reviews

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Quick Facts (2026)

  • Grades: 9-12
  • Enrollment: 289 students
  • Student-Teacher Ratio: 12:1
  • Minority Enrollment: 5%
  • : 90-94% (Top 20%)
  • : Top 50%
  • : 25-29% (Top 50%)
  • : 25-29% (Top 50%)
  • : 45-49% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), IL Dept. of Education

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