La Mesa Junior High
🇺🇸 Official data · 2025Santa Clarita, California 91351 · William S. Hart Union High
#429 of 1,334 middle schools in California
#7813 of 15,369 nationally
About La Mesa Junior High
La Mesa Junior High is a public middle located in Santa Clarita, in the William S. Hart Union High school district of California, United States. It caters for Grades 7–8. In 2025 it enrolled 1,017 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 49.2 out of 100, placing it in the lower 50% of middle schools in United States and 429th of 1,334 ranked middle schools in California. Its strongest component is community advantage (fewer free/reduced-price lunch) (60th percentile), and its weakest is students per teacher (13th percentile).
Other published figures: enrollment 1,017.
There are 7 schools in Santa Clarita; La Mesa Junior High ranks 6th of 7 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)42%
- Reading proficiency (30%)53%
- Community advantage (fewer free/reduced-price lunch) (25%)47.8%
- Students per teacher (15%)20.3
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for La Mesa Junior High by the official sources.
- Enrollment
- 1,017
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 47.8%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 20.3
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 53%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 42%
- Share of tested students proficient or above (all students, all grades).
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Schools near La Mesa Junior High
Closest schools by straight-line distance, with their Success Index (US).
Golden Valley High
Santa Clarita · Public high · Grades 9–12
1,980 students · 1.3 km away
Valley View Community Elementary
Newhall · Public elementary · Grades K–6
526 students · 1.4 km away
Sierra Vista Junior High
Canyon Country · Public middle · Grades 7–8
946 students · 1.5 km away
Canyon Springs Community Elementary
Canyon Country · Public elementary · Grades K–6
496 students · 1.9 km away
Cedarcreek Elementary
Canyon Country · Public elementary · Grades K–6
380 students · 2.1 km away
Rio Vista Elementary
Canyon Country · Public elementary · Grades K–6
486 students · 2.2 km away
Canyon High
Canyon Country · Public high · Grades 9–12
1,952 students · 2.5 km away
Skyblue Mesa Elementary
Canyon Country · Public elementary · Grades K–6
569 students · 2.9 km away
Leona H. Cox Community Elementary
Canyon Country · Public elementary · Grades K–6
459 students · 2.9 km away
Golden Oak Community
Santa Clarita · Public elementary · Grades K–6
533 students · 3.1 km away
Similar schools
Public middle schools in California with a comparable Enrollment.
Rialto Middle
Rialto · Public middle · Grades 6–8
1,017 students
Sharon Christa McAuliffe Middle
Los Alamitos · Public middle · Grades 6–8
1,018 students
Elizabeth Ustach Middle
Modesto · Public middle · Grades 6–8
1,016 students
Harvest Park Middle
Pleasanton · Public middle · Grades 6–8
1,015 students
Raymond J. Fisher Middle
Los Gatos · Public middle · Grades 6–8
1,015 students
James Workman Middle
Cathedral City · Public middle · Grades 6–8
1,020 students
Frequently asked questions
Is La Mesa Junior High a good school?
La Mesa Junior High has a Success Index (US) of 49.2 out of 100 (Lower 50% of middle schools in United States) and ranks #429 of 1,334 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does La Mesa Junior High rank in California?
La Mesa Junior High ranks #429 of 1,334 middle schools in California and #7813 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend La Mesa Junior High?
La Mesa Junior High had 1,017 students in 2025.
Is La Mesa Junior High a elementary school or a high school?
La Mesa Junior High is classified as a middle covering Grades 7–8. It is a public school.
What other schools are near La Mesa Junior High?
There are 10 schools within 15 km of La Mesa Junior High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.