IllinoisSchoolsMercer County High School

Mercer County High School

PublicRegular
Aledo, Illinois · Mercer County School District 404
Current Enrollment401latest year
LevelHighRegular
SCHOOL SNAPSHOT
Students401
Grade Span9–12
Student:Teacher13.4:1
Free/Reduced Lunch40%
Title INo
SectorPublic

Enrollment

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

Current enrollment
401
Grade span
9–12
School level
High
vs 2019
+33 (+8.7%)

Enrollment history

378
2019
390
2020
393
2021
404
2022
401
2023
411
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.