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Public schoolHighGrades 9–12

Sierra High

🇺🇸 Official data · 2025Manteca, California 95336 · Manteca Unified

36.9/ 100
Success Index (US)
Lower 50%

#659 of 1,343 high schools in California
#11754 of 16,910 nationally

How is this calculated?
Students
1,670
Enrollment
1,670
Source: NCES CCD
Free/reduced-price lunch
55.9%
Source: NCES CCD
Students per teacher
22.9
Source: NCES CCD

About Sierra High

Sierra High is a public high located in Manteca, in the Manteca Unified school district of California, United States. It caters for Grades 9–12. In 2025 it enrolled 1,670 students. Traditional public schools run by a school district; free to attend.

Its Success Index (US) is 36.9 out of 100, placing it in the lower 50% of high schools in United States and 659th of 1,343 ranked high schools in California. Its strongest component is reading proficiency (60th percentile), and its weakest is students per teacher (8th percentile).

Other published figures: enrollment 1,670.

There are 16 schools in Manteca; Sierra High ranks 7th of 16 scored schools there.

Success Index (US) breakdown

Each component is a percentile against high schools across United States.

  • Math proficiency (30%)24%
  • Reading proficiency (30%)61%
  • Community advantage (fewer free/reduced-price lunch) (25%)55.9%
  • Students per teacher (15%)22.9

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 Sierra High by the official sources.

Enrollment
1,670
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
55.9%
Share of students eligible for free or reduced-price lunch.
Students per teacher
22.9
Enrollment divided by FTE teachers; not class size.
Reading proficiency
61%
Share of tested students proficient or above (all students, all grades).
Math proficiency
24%
Share of tested students proficient or above (all students, all grades).

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Schools near Sierra High

Closest schools by straight-line distance, with their Success Index (US).

Similar schools

Public high schools in California with a comparable Enrollment.

Frequently asked questions

Is Sierra High a good school?

Sierra High has a Success Index (US) of 36.9 out of 100 (Lower 50% of high schools in United States) and ranks #659 of 1,343 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 Sierra High rank in California?

Sierra High ranks #659 of 1,343 high schools in California and #11754 of 16,910 nationally on the Success Index (US) (2025 data).

How many students attend Sierra High?

Sierra High had 1,670 students in 2025.

Is Sierra High a elementary school or a high school?

Sierra High is classified as a high covering Grades 9–12. It is a public school.

What other schools are near Sierra High?

There are 10 schools within 15 km of Sierra High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.