IllinoisSchoolsSeneca High School

Seneca High School

PublicRegular
Seneca, Illinois · Seneca Twp HSD 160
Students361enrolled
SCHOOL SNAPSHOT
Students361
Grade Span9–12
Student:Teacher10.0:1
Free/Reduced Lunch35%
Title INo
SectorPublic

Enrollment

How many students attend, and how this has changed over time.

Current enrollment
361
Grade span
9–12
School level
High
vs 2019
-51 (-11.9%)

Enrollment history

429
2019
403
2020
385
2021
385
2022
361
2023
378
2024

Source: NCES Common Core of Data, 20192024.

Size context

Typical enrollment by school level.

  • Elementary schools in the US typically enroll 400–650 students.
  • Middle schools typically enroll 500–800 students.
  • High schools typically enroll 700–2,000 students, with larger urban schools exceeding 3,000.