Serving 378 students in grades 9-12, Seneca High School ranks in the bottom 50% of all schools in Illinois for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 15-19% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 20-24% (which is lower than the Illinois state average of 30%).
The student-teacher ratio of 10:1 is lower than the Illinois state level of 13:1.
Minority enrollment is 15% 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: 378 students
- Student-Teacher Ratio: 10:1
- Minority Enrollment: 15%
- Graduation Rate: 90-94% (Top 20% in IL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 20-24% (Btm 50%)
- Science Proficiency: 65-69% (Top 20%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Seneca High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Science Proficiency
Graduation Rate
Student Attention
School Overview
Seneca High School's student population of 378 students has declined by 6% over five school years.
The teacher population of 38 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
378 students
Total Classroom Teachers
38 teachers
School Calendar
School Rankings
Seneca High School ranks within the bottom 50% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Seneca High School is 0.26, 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
#2046 out of 3542 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15-19%
27%
Reading/Language Arts Test Scores (% Proficient)
20-24%
30%
Science Test Scores (% Proficient)
65-69%
50%
Student-Teacher Ratio
10:1
13:1
American Indian
n/a
n/a
Asian
n/a
6%
Hispanic
12%
29%
Black
n/a
16%
White
85%
45%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
90-94%
87%
Eligible for Free Lunch
25%
43%
Eligible for Reduced Lunch
5%
4%
School Statewide Testing
School District Name
Seneca TWP HSD 160 School District
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Seneca High School's ranking?
Seneca High School is ranked #2046 out of 3,542 schools, which ranks it among the bottom 50% of public schools in Illinois.
What schools are Seneca High School often compared to?
Seneca High Schoolis often viewed alongside schools like Ottawa Township High School, Kankakee High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
15-19% of students have achieved math proficiency (compared to the 27% IL state average), while 20-24% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Seneca High School?
The graduation rate of Seneca High School is 90-94%, which is higher than the Illinois state average of 87%.
How many students attend Seneca High School?
378 students attend Seneca High School.
What is the racial composition of the student body?
85% of Seneca High School students are White, 12% of students are Hispanic, and 3% of students are Two or more races.
What is the student-teacher ratio of Seneca High School?
Seneca High School has a student ration of 10:1, which is lower than the Illinois state average of 13:1.
What grades does Seneca High School offer ?
Seneca High School offers enrollment in grades 9-12
What school district is Seneca High School part of?
Seneca High School is part of Seneca TWP HSD 160 School District.
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