CaliforniaSchoolsMills High

Mills High

PublicRegular
Millbrae, California · San Mateo Union High
Current Enrollment1,119latest year
LevelHighRegular
SCHOOL SNAPSHOT
Students1,119
Grade Span9–12
Student:Teacher19.6:1
Free/Reduced Lunch17%
Title INo
SectorPublic

Enrollment

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

Current enrollment
1,119
Grade span
9–12
School level
High
vs 2019
-90 (-7.5%)

Enrollment history

1,205
2019
1,180
2020
1,156
2021
1,141
2022
1,119
2023
1,115
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.