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What do you wish you knew before starting at Rancho Dominguez Preparatory?
Community prompt from u/allk12. Replies below.
Enrollment
701
High
DISTRICT 676 · STATE 838
SCHOOL COMMUNITY·LOS ANGELES UNIFIED·NCES 062271012898
Rancho Dominguez Preparatory
4110 Santa Fe Ave., Long Beach, CA 90810 · (310) 847-6400 · Los Angeles County
GRADES 06–12HIGH11-CITYTITLE IREGULAR SCHOOL701 STUDENTS
C+
allk12 Grade
Scored higher than 35% of California public high schools
- CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- CThree-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public high schools
Student : Teacher
17.4:1
40 FTE teachers
DISTRICT 16.3:1 · STATE 18.2:1
Free / Reduced Lunch
91%
635 students
DISTRICT 84% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 6 | 68 | 10% |
| Grade 7 | 63 | 9% |
| Grade 8 | 65 | 9% |
| Grade 9 | 165 | 24% |
| Grade 10 | 94 | 13% |
| Grade 11 | 134 | 19% |
| Grade 12 | 112 | 16% |
Student demographics
51%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 45% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on published attendance-zone data from Los Angeles Unified. Zones change; confirm enrollment with the district.
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
40.0%
CA avg 49.1% . +5.0pp since 2014
Math
22.0%
CA avg 37.7% . +1.0pp since 2014
What this means: On the CAASPP, California's statewide test, about 40 of every 100 students at this school read and write at grade level and about 22 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are up about 5 points since 2014, while math scores have held steady.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 14.4% | 25.6% | 27.9% | 32.1% |
| Math | 7.5% | 14.4% | 29.5% | 48.5% |
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 40.0% | 22.0% |
| 2023-24 | 40.2% | 21.9% |
| 2022-23 | 36.6% | 20.1% |
| 2021-22 | 41.9% | 23.0% |
| 2020-21 | 43.8% | 18.2% |
| 2018-19 | 40.3% | 21.4% |
| 2017-18 | 34.1% | 20.4% |
| 2016-17 | 39.0% | 18.1% |
| 2015-16 | 32.0% | 21.0% |
| 2014-15 | 35.0% | 21.0% |
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
30.5%
composite math + reading, all grades
Predicted
26.5%
based on CA schools with similar FRL share
Beats by
+4.0pp
above demographic expectation
What this means: About 31% of students here test proficient in math and reading, compared with the roughly 26% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Rancho Dominguez Preparatory
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Rancho Dominguez Preparatory this school | 701 | 90.6% | 30.5% |
| YouthBuild Charter School of California Los Angeles | 880 | 89.4% | N/A |
| Entrepreneur High Highland | 528 | 84.5% | N/A |
| Alain Leroy Locke College Preparatory Academy Los Angeles | 1,159 | 90.9% | N/A |
| Morningside High Inglewood | 407 | 93.9% | 17.5% |
| Centennial High Compton | 908 | 90.1% | 29.1% |
Matched among California high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Rancho Dominguez Preparatory ranks
Among high schools| Measure | This school | In California | In Los Angeles County |
|---|---|---|---|
| State test proficiency ranked highest first | 30.5% | #783 of 1,052 | #166 of 228 |
| Math proficiency ranked highest first | 22.0% | #617 of 1,056 ▼ 58 | #145 of 229 ▼ 28 |
| Reading proficiency ranked highest first | 40.0% | #899 of 1,056 ▼ 38 | #195 of 229 ▼ 13 |
| 3-year test score change ranked biggest drop first | -1.5pp | #286 of 1,044 | #31 of 229 |
| Enrollment ranked largest first | 701 | #890 of 2,093 | #199 of 486 |
| Students per teacher ranked fewest first | 17.4:1 | #233 of 1,352 | #78 of 358 |
| Diversity index ranked most diverse first | 51.3% | #647 of 1,351 | #113 of 359 |
| Free and reduced lunch ranked highest share first | 90.6% | #279 of 1,575 | #150 of 396 |
| Enrollment change since 2017-18 ranked steepest decline first | -16.7% | #247 of 802 | #97 of 227 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
701
-41 (-6%) vs 2020
Student : Teacher
17.4:1
was 21.2:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 701 | 40.4 | 17.4:1 | 91% (635) |
| 2023-24 | 707 | 39.3 | 18.0:1 | 90% (637) |
| 2022-23 | 712 | 40 | 17.8:1 | 82% (584) |
| 2020-21 | 742 | 35 | 21.2:1 | 74% (551) |
| 2017-18 | 842 | 39.8 | 21.1:1 | 83% (699) |
| 2015-16 | 975 | 43 | 22.7:1 | 79% (769) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Rancho Dominguez Preparatory.
Since 2017-18: students down 17% (842 to 701); teachers up 1% (39.8 to 40.4).
About Rancho Dominguez Preparatory
Rancho Dominguez Preparatory is a high school in Long Beach, California, according to federal school records. The school has 701 students in 2024-25 across grades 6 through 12.
Los Angeles Unified is responsible for 784 schools, Rancho Dominguez Preparatory included, with 406,887 students in all.
At Rancho Dominguez Preparatory, 66% of students are Hispanic. The remaining students are 21% Black, 5% Asian, 3% White, and 3% Pacific Islander. Census figures show Los Angeles County is about 48% Hispanic. Measured by the diversity index, the student body scores 51%.
For every teacher at Rancho Dominguez Preparatory, there are about 17.4 students; the school has 40.4 full-time-equivalent teachers. Statewide, high schools in California average 18.2:1. The eligibility rate for free or reduced-price meals is 91%. Public schools in Los Angeles County average 70%.
Rancho Dominguez Preparatory holds a C+ allk12 Grade, placing it above 35% of California public high schools.
Predicted from its free or reduced-price lunch share, Rancho Dominguez Preparatory would score about 26.5%. It scores 30.5%, 4.0 points above that figure.
American Community Survey estimates for Los Angeles County show that median household income comes to about $90,112, roughly 36% of adults have a four-year degree or more, and the share of residents below the poverty line is 10%. The county's public schools total 2,244, with about 1,265,907 students.
Rancho Dominguez Preparatory is about 0.2 miles from Dominguez Elementary, its nearest public school. Within five miles are at least 8 other public schools. Among its closest neighbors with test data, Rancho Dominguez Preparatory is 8th of 9 on proficiency.
On the NCES locale scale, the school is City: Large.
In 2024-25, the school enrolled 701, down from 742 in 2020-21. From 2020-21 to 2024-25, the ratio dropped from 21.2:1 to 17.4:1.
The Rancho Dominguez Preparatory discussion page is a place for special education services, counseling, and support programs. Members of the school community can share what they know.
Los Angeles County at a glance
View full county profilePopulation
9,808,667
Census ACS
Median income
$90,112
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
2,244
1,265,907 students
Quick facts
Related schools
Other schools in Los Angeles Unified
- Grover Cleveland Charter HighHigh · 2,719 students
- North Hollywood Senior HighHigh · 2,444 students
- Phineas Banning Senior HighHigh · 2,422 students
- San Pedro Senior HighHigh · 2,398 students
- Venice Senior HighHigh · 2,293 students
- James A. Garfield Senior HighHigh · 2,237 students
Other schools in Long Beach
- Polytechnic HighHigh · 3,890 students
- Millikan HighHigh · 3,408 students
- Wilson HighHigh · 3,349 students
- Jordan HighHigh · 2,272 students
- Cabrillo HighHigh · 1,652 students
- Hughes MiddleMiddle · 1,214 students
Nearby schools
- Dominguez Elementary0.2 mi · 450
- Los Cerritos Elementary1.0 mi · 453
- Webster Elementary1.1 mi · 454
- Lindsey Academy1.4 mi · 684
- Del Amo Elementary1.4 mi · 285
- Muir K-81.4 mi · 1,029
Frequently asked questions
About Rancho Dominguez PreparatoryHow large is Rancho Dominguez Preparatory?
Rancho Dominguez Preparatory enrolls approximately 701 students in grades 06-12.
What grades does Rancho Dominguez Preparatory serve?
Rancho Dominguez Preparatory serves grades 06-12.
How many teachers does Rancho Dominguez Preparatory have?
Rancho Dominguez Preparatory employs 40 FTE teachers, for a student-to-teacher ratio of 17.4:1.
How diverse is Rancho Dominguez Preparatory?
Rancho Dominguez Preparatory reports a student body of 3% White, 66% Hispanic, 21% Black, 5% Asian, 2% Two or more.
Is Rancho Dominguez Preparatory public or private?
Rancho Dominguez Preparatory is a public K-12 school, overseen by Los Angeles Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.