Enrollment
373
Elementary
DISTRICT 527 · STATE 465
SCHOOL COMMUNITY·PLACENTIA-YORBA LINDA UNIFIED·NCES 063066004769
Ruby Drive Elementary
601 Ruby Dr., Placentia, CA 92870 · (714) 996-1921 · Orange County
GRADES KG–06ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL373 STUDENTS
Student : Teacher
20.2:1
18 FTE teachers
DISTRICT 22.8:1 · STATE 22.3:1
Free / Reduced Lunch
82%
307 students
DISTRICT 47% · STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 79 | 21% |
| Grade 1 | 40 | 11% |
| Grade 2 | 64 | 17% |
| Grade 3 | 48 | 13% |
| Grade 4 | 52 | 14% |
| Grade 5 | 54 | 14% |
| Grade 6 | 36 | 10% |
This year's kindergarten class (79) is 119% larger than its 6th grade class (36).
Student demographics
20%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 67% · 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
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
41.8%
CA avg 49.1% . +13.8pp since 2014
Math
33.5%
CA avg 37.7% . +10.5pp since 2014
What this means: On the CAASPP, California's statewide test, about 42 of every 100 students at this school read and write at grade level and about 34 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 14 points since 2014, while math scores are up about 11 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 19.8% | 22.0% | 24.7% | 33.5% |
| Math | 11.3% | 22.2% | 28.1% | 38.4% |
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 | 41.8% | 33.5% |
| 2023-24 | 40.8% | 35.0% |
| 2022-23 | 34.1% | 25.7% |
| 2021-22 | 36.2% | 20.0% |
| 2018-19 | 48.8% | 35.4% |
| 2017-18 | 42.1% | 32.6% |
| 2016-17 | 40.1% | 33.5% |
| 2015-16 | 43.0% | 31.0% |
| 2014-15 | 28.0% | 23.0% |
% 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
38.1%
composite math + reading, all grades
Predicted
31.3%
based on CA schools with similar FRL share
Beats by
+6.8pp
above demographic expectation
What this means: About 38% of students here test proficient in math and reading, compared with the roughly 31% 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 Ruby Drive Elementary
Ruby Drive Elementary's state test result (38.1% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Ruby Drive Elementary this school | 373 | 82.3% | 38.1% |
| Earl E. Edmondson Elementary Norwalk | 352 | 83.0% | 27.6% |
| Anna M. Glazier Elementary Norwalk | 388 | 80.4% | 30.1% |
| Ada S. Nelson Elementary Whittier | 358 | 84.1% | 49.2% |
| Workman Elementary La Puente | 347 | 82.1% | 46.4% |
| Locust Elementary Fontana | 346 | 82.1% | 30.3% |
Matched among California elementary 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 Ruby Drive Elementary ranks
Among elementary schools| Measure | This school | In California | In Orange County |
|---|---|---|---|
| State test proficiency ranked highest first | 38.1% | #2,654 of 5,151 | #272 of 381 |
| Math proficiency ranked highest first | 33.5% | #2,872 of 5,172 ▼ 276 | #282 of 382 ▼ 7 |
| Reading proficiency ranked highest first | 41.8% | #2,750 of 5,172 ▼ 98 | #276 of 382 ▼ 2 |
| 3-year test score change ranked biggest gain first | +9.5pp | #677 of 5,116 | #37 of 381 |
| Enrollment ranked largest first | 373 | #4,021 of 5,915 | #316 of 404 |
| Students per teacher ranked fewest first | 20.2:1 | #1,028 of 5,352 | #43 of 398 |
| Diversity index ranked most diverse first | 20.5% | #4,400 of 5,354 | #338 of 398 |
| Free and reduced lunch ranked highest share first | 82.3% | #1,934 of 5,625 | #100 of 400 |
| Enrollment change since 2017-18 ranked steepest decline first | -1.6% | #3,688 of 3,837 | #317 of 324 |
Ranked against other public elementary 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
373
+17 (+5%) vs 2020
-35% since 1990-91, when it was 578
Student : Teacher
20.2:1
was 22.3:1
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 | 373 | 18.5 | 20.2:1 | 82% (307) |
| 2023-24 | 380 | 17 | 22.3:1 | 81% (309) |
| 2022-23 | 373 | 15.5 | 24.1:1 | 82% (305) |
| 2020-21 | 356 | 16 | 22.3:1 | 85% (302) |
| 2017-18 | 379 | 14 | 27.1:1 | 87% (331) |
| 2015-16 | 418 | 16 | 26.1:1 | 89% (371) |
| 2010-11 | 489 | N/A | N/A | 70% (342) |
| 2000-01 | 642 | 34 | 18.9:1 | 53% (341) |
| 1990-91 | 578 | 21 | 27.5:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Ruby Drive Elementary.
Since 2017-18: students down 2% (379 to 373); teachers up 32% (14 to 18.5).
About Ruby Drive Elementary
Ruby Drive Elementary is a public elementary school run by Placentia-Yorba Linda Unified in Placentia, California. The school enrolls 373 students, from kindergarten through 6.
A total of 34 schools make up Placentia-Yorba Linda Unified, with 22,665 students enrolled.
At Ruby Drive Elementary, Hispanic students make up 89% of the student body. The school is also 4% Asian, 3% White, and 2% multiracial. The Hispanic share of the county population is lower, at 34%. The chance that two students picked at random at Ruby Drive Elementary belong to different racial or ethnic groups, known as the diversity index, is 20%.
The school's student-to-teacher ratio is about 20.2:1, with 18.5 full-time-equivalent teachers. Among elementary schools in California, the typical ratio is 22.3:1. Lunch subsidy eligibility at Ruby Drive Elementary is 82%. That is higher than the 55% average for public schools in Orange County.
The allk12 BeatsExpectations score for Ruby Drive Elementary is +6.8 points: 38.1% actual, 31.3% predicted.
Within Orange County, median household income is about $116,289, a bachelor's degree or higher is held by about 44% of adults, and the poverty rate is about 7%. Federal data list 649 public schools in Orange County, with a combined enrollment of about 430,458.
The closest other public school is Valencia High, about 0.4 miles away. There are at least 8 other public schools within five miles. Ranking the closest schools with test data puts Ruby Drive Elementary at 6th of 7.
On the NCES locale scale, the school is Suburb: Large.
The number of students grew from 356 to 373 over 4 years. The school's ratio fell from 22.3:1 to 20.2:1 between 2020-21 and 2024-25.
The allk12 site hosts a discussion page for Ruby Drive Elementary covering things like enrollment questions, class placement, and PTA news. Posting is open to anyone connected to the school.
Orange County at a glance
View full county profilePopulation
3,165,820
Census ACS
Median income
$116,289
Household, ACS
Bachelor's+
44%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
649
430,458 students
Quick facts
Related schools
Other schools in Placentia-Yorba Linda Unified
- Valencia HighHigh · 2,411 students
- El Dorado HighHigh · 1,998 students
- Yorba Linda HighHigh · 1,631 students
- Esperanza HighHigh · 1,393 students
- Travis RanchElementary · 1,197 students
- Kraemer MiddleMiddle · 889 students
Other schools in Placentia
- Valencia HighHigh · 2,411 students
- El Dorado HighHigh · 1,998 students
- Kraemer MiddleMiddle · 889 students
- Golden ElementaryElementary · 834 students
- John O. Tynes ElementaryElementary · 591 students
- Col. J. K. Tuffree MiddleMiddle · 566 students
Nearby schools
- Valencia High0.4 mi · 2,411
- Topaz Elementary0.4 mi · 404
- Kraemer Middle0.5 mi · 889
- Morse Elementary0.9 mi · 382
- La Sierra High (Alternative)0.9 mi · 236
- La Vista High (Continuation)0.9 mi · 298
Frequently asked questions
About Ruby Drive ElementaryWhat is the total enrollment at Ruby Drive Elementary?
Ruby Drive Elementary enrolls approximately 373 students in grades KG-06.
Is Ruby Drive Elementary an elementary, middle, or high school?
Ruby Drive Elementary is an elementary school covering grades KG-06.
What is the student-teacher ratio at Ruby Drive Elementary?
The student-to-teacher ratio at Ruby Drive Elementary is approximately 20.2:1 (18 FTE teachers).
How diverse is Ruby Drive Elementary?
Ruby Drive Elementary reports a student body of 3% White, 89% Hispanic, 2% Black, 4% Asian, 2% Two or more.
Is Ruby Drive Elementary public or private?
Ruby Drive Elementary is a public K-12 school, overseen by Placentia-Yorba Linda Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.