Serving 685 students in grades 9-12, Marengo 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 30-34% (which is approximately equal to the Illinois state average of 30%).
The student-teacher ratio of 15:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 33% 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: 685 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 33%
- Graduation Rate: 85-89% (Top 50% in IL)
- Overall Testing Rank: Top 50%
- Math Proficiency: 25-29% (Top 50%)
- Reading Proficiency: 30-34% (Top 50%)
- Science Proficiency: 65-69% (Top 20%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Marengo High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Most improved public schools
Science Proficiency
School Overview
Marengo High School's student population of 685 students has stayed relatively flat over five school years.
The teacher population of 47 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
685 students
Total Classroom Teachers
47 teachers
School Rankings
Marengo 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 Marengo High School is 0.47, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1255 out of 3542 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
25-29%
27%
Reading/Language Arts Test Scores (% Proficient)
30-34%
30%
Science Test Scores (% Proficient)
65-69%
50%
Student-Teacher Ratio
15:1
13:1
Hispanic
29%
29%
Black
1%
16%
White
67%
45%
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
85-89%
87%
Chronically Absent Students
(22-23)30.8%
29.7%
Eligible for Free Lunch
22%
43%
Eligible for Reduced Lunch
10%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Marengo High School's ranking?
Marengo High School is ranked #1255 out of 3,542 schools, which ranks it among the top 50% of public schools in Illinois.
What schools are Marengo High School often compared to?
Marengo High Schoolis often viewed alongside schools like Harvard 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 30-34% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Marengo High School?
The graduation rate of Marengo High School is 85-89%, which is lower than the Illinois state average of 87%.
How many students attend Marengo High School?
685 students attend Marengo High School.
What is the racial composition of the student body?
67% of Marengo High School students are White, 29% of students are Hispanic, 3% of students are Two or more races, and 1% of students are Black.
What is the student-teacher ratio of Marengo High School?
Marengo High School has a student ration of 15:1, which is higher than the Illinois state average of 13:1.
What grades does Marengo High School offer ?
Marengo High School offers enrollment in grades 9-12
What school district is Marengo High School part of?
Marengo High School is part of Marengo CHSD 154 School District.
School Calendar
View the Marengo High School yearly calendar below.
School Reviews
Review Marengo High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
