James B. Conant High School is a public four-year high school located in Hoffman Estates, Illinois, a northwest suburb of Chicago, Illinois, in the United States.
Serving 2,633 students in grades 9-12, J B Conant High School ranks in the top 20% of all schools in Illinois for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 55% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 46% (which is higher than the Illinois state average of 30%).
The student-teacher ratio of 16:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 57% of the student body (majority Asian), which is higher than the Illinois state average of 55% (majority Hispanic and Black).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,633 students
- Student-Teacher Ratio: 16:1
- Minority Enrollment: 57%
- Graduation Rate: 97% (Top 1% in IL)
- Overall Testing Rank: Top 20%
- Math Proficiency: 55% (Top 10%)
- Reading Proficiency: 46% (Top 20%)
- Science Proficiency: 67% (Top 20%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
J B Conant High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Overall Rank
Most improved public schools
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
Diversity
School Overview
J B Conant High School's student population of 2,633 students has grown by 8% over five school years.
The teacher population of 161 teachers has grown by 11% over five school years.
Grades Offered
Grades 9-12
Total Students
2,633 students
Total Classroom Teachers
161 teachers
Year Founded
1964
Colors
Cougar Blue and Gold
Average Class Size
25 students
School Rankings
J B Conant High School ranks within the top 20% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of J B Conant High School is 0.69, which is equal to the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#421 out of 3542 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
55%
27%
Reading/Language Arts Test Scores (% Proficient)
46%
30%
Science Test Scores (% Proficient)
67%
50%
Student-Teacher Ratio
16:1
13:1
American Indian
n/a
n/a
Asian
29%
6%
Hispanic
20%
29%
Black
3%
16%
White
43%
45%
Hawaiian
n/a
n/a
Two or more races
5%
4%
All Ethnic Groups
Graduation Rate
97%
87%
Eligible for Free Lunch
17%
43%
Eligible for Reduced Lunch
7%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is J B Conant High School's ranking?
J B Conant High School is ranked #421 out of 3,542 schools, which ranks it among the top 20% of public schools in Illinois.
What schools are J B Conant High School often compared to?
J B Conant High Schoolis often viewed alongside schools like Wm Fremd High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
55% of students have achieved math proficiency (compared to the 27% IL state average), while 46% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of J B Conant High School?
The graduation rate of J B Conant High School is 97%, which is higher than the Illinois state average of 87%.
How many students attend J B Conant High School?
2,633 students attend J B Conant High School.
What is the racial composition of the student body?
43% of J B Conant High School students are White, 29% of students are Asian, 20% of students are Hispanic, 5% of students are Two or more races, and 3% of students are Black.
What is the student-teacher ratio of J B Conant High School?
J B Conant High School has a student ration of 16:1, which is higher than the Illinois state average of 13:1.
What grades does J B Conant High School offer ?
J B Conant High School offers enrollment in grades 9-12
What school district is J B Conant High School part of?
J B Conant High School is part of Township HSD 211 School District.
School Reviews
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