WashingtonSchoolsMercer Island High School

Mercer Island High School

PublicRegularGrades 912
Mercer Island, Washington · Mercer Island School District
SCHOOL SNAPSHOT
Students1,465
Student:Teacher19.8:1
Free/Reduced Lunch7%
Title INo

Enrollment

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

Current enrollment
1,465
Grade span
9–12
School level
High
vs 2019
-105 (-6.8%)

Enrollment history

1,544
2019
1,551
2020
1,544
2021
1,524
2022
1,465
2023
1,439
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.