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Public schoolHighGrades 6–12

Rancho Dominguez Preparatory

🇺🇸 Official data · 2025Long Beach, California 90810 · Los Angeles Unified

21.7/ 100
Success Index (US)
Lower 50%

#1073 of 1,343 high schools in California
#15003 of 16,910 nationally

How is this calculated?
Students
701
Enrollment
701
Source: NCES CCD
Free/reduced-price lunch
90.6%
Source: NCES CCD
Students per teacher
17.5
Source: NCES CCD

About Rancho Dominguez Preparatory

Rancho Dominguez Preparatory is a public high located in Long Beach, in the Los Angeles Unified school district of California, United States. It caters for Grades 6–12. In 2025 it enrolled 701 students. Traditional public schools run by a school district; free to attend.

Its Success Index (US) is 21.7 out of 100, placing it in the lower 50% of high schools in United States and 1073rd of 1,343 ranked high schools in California. Its strongest component is students per teacher (31th percentile), and its weakest is community advantage (fewer free/reduced-price lunch) (13th percentile).

Other published figures: enrollment 701.

There are 74 schools in Long Beach; Rancho Dominguez Preparatory ranks 65th of 74 scored schools there.

Success Index (US) breakdown

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

  • Math proficiency (30%)21%
  • Reading proficiency (30%)40%
  • Community advantage (fewer free/reduced-price lunch) (25%)90.6%
  • Students per teacher (15%)17.5

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 Rancho Dominguez Preparatory by the official sources.

Enrollment
701
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
90.6%
Share of students eligible for free or reduced-price lunch.
Students per teacher
17.5
Enrollment divided by FTE teachers; not class size.
Reading proficiency
40%
Share of tested students proficient or above (all students, all grades).
Math proficiency
21%
Share of tested students proficient or above (all students, all grades).

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Schools near Rancho Dominguez Preparatory

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 Rancho Dominguez Preparatory a good school?

Rancho Dominguez Preparatory has a Success Index (US) of 21.7 out of 100 (Lower 50% of high schools in United States) and ranks #1073 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 Rancho Dominguez Preparatory rank in California?

Rancho Dominguez Preparatory ranks #1073 of 1,343 high schools in California and #15003 of 16,910 nationally on the Success Index (US) (2025 data).

How many students attend Rancho Dominguez Preparatory?

Rancho Dominguez Preparatory had 701 students in 2025.

Is Rancho Dominguez Preparatory a elementary school or a high school?

Rancho Dominguez Preparatory is classified as a high covering Grades 6–12. It is a public school.

What other schools are near Rancho Dominguez Preparatory?

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