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If you could change one rule at Rio Del Oro Elementary, what would it be?
Community prompt from u/allk12. Replies below.
Enrollment
564
Elementary
DISTRICT 577 · STATE 465
SCHOOL COMMUNITY·PLUMAS LAKE ELEMENTARY·NCES 063118011547
Rio Del Oro Elementary
1220 Zanes Dr., Plumas Lake, CA 95961 · (530) 749-0690 · Yuba County
GRADES KG–05ELEMENTARY31-TOWNTITLE IREGULAR SCHOOL564 STUDENTS
C+
allk12 Grade
Scored higher than 42% of California public elementary schools
- BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- CBeats 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 elementary schools
Student : Teacher
21.7:1
26 FTE teachers
DISTRICT 22.0:1 · STATE 22.3:1
Free / Reduced Lunch
44%
246 students
DISTRICT 44% · STATE 65%
Community
6
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 | 132 | 23% |
| Grade 1 | 78 | 14% |
| Grade 2 | 103 | 18% |
| Grade 3 | 75 | 13% |
| Grade 4 | 90 | 16% |
| Grade 5 | 86 | 15% |
This year's kindergarten class (132) is 53% larger than its 5th grade class (86).
Student demographics
71%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 73% · 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
Students here typically continue to
Rio Del Oro Elementary→Riverside Meadows Intermediate
Based on grade levels within Plumas Lake Elementary. Attendance zones can vary; confirm enrollment with the district.
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
56.1%
CA avg 49.1% . -2.9pp since 2014
Math
44.3%
CA avg 37.7% . -9.7pp since 2014
What this means: On the CAASPP, California's statewide test, about 56 of every 100 students at this school read and write at grade level and about 44 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 3 points since 2014, while math scores are down about 10 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 26.8% | 29.3% | 23.2% | 20.7% |
| Math | 18.7% | 25.6% | 32.5% | 23.2% |
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 | 56.1% | 44.3% |
| 2023-24 | 52.3% | 38.1% |
| 2022-23 | 52.8% | 45.9% |
| 2021-22 | 57.5% | 44.2% |
| 2018-19 | 68.3% | 63.9% |
| 2017-18 | 72.6% | 63.0% |
| 2016-17 | 63.9% | 57.5% |
| 2015-16 | 65.0% | 55.0% |
| 2014-15 | 59.0% | 54.0% |
% 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
47.8%
composite math + reading, all grades
Predicted
54.0%
based on CA schools with similar FRL share
Beats by
-6.2pp
below demographic expectation
What this means: About 48% of students here test proficient in math and reading, compared with the roughly 54% 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 Rio Del Oro Elementary
Rio Del Oro Elementary's state test result (47.8% proficient) is higher than 0 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Rio Del Oro Elementary this school | 564 | 43.6% | 47.8% |
| Fort Washington Elementary Fresno | 568 | 41.4% | 61.8% |
| Serrano Elementary Villa Park | 524 | 40.1% | 51.3% |
| Liberty Elementary Fresno | 618 | 44.7% | 82.4% |
| Valencia Elementary Upland | 571 | 40.8% | 63.0% |
| Ivey Ranch Elementary Oceanside | 698 | 42.6% | 58.4% |
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 Rio Del Oro Elementary ranks
Among elementary schools| Measure | This school | In California | In Yuba County |
|---|---|---|---|
| State test proficiency ranked highest first | 47.8% | #1,876 of 5,151 | #3 of 15 |
| Math proficiency ranked highest first | 44.3% | #1,976 of 5,172 ▲ 362 | #4 of 15 ▲ 2 |
| Reading proficiency ranked highest first | 56.1% | #1,605 of 5,172 ▲ 123 | #4 of 15 ▼ 1 |
| 3-year test score change ranked biggest drop first | -0.7pp | #1,579 of 5,116 | #6 of 15 |
| Enrollment ranked largest first | 564 | #1,713 of 5,915 | #5 of 21 |
| Students per teacher ranked fewest first | 21.7:1 | #1,955 of 5,352 | #3 of 14 |
| Diversity index ranked most diverse first | 71.5% | #453 of 5,354 | #3 of 14 |
| Free and reduced lunch ranked highest share first | 43.6% | #4,192 of 5,625 | #15 of 16 |
| Enrollment change since 2017-18 ranked fastest growth first | +24.5% | #175 of 1,139 | #3 of 7 |
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
564
+108 (+24%) vs 2020
+25% since 2010-11, when it was 451
Student : Teacher
21.7:1
was 20.7:1
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 | 564 | 26 | 21.7:1 | 44% (246) |
| 2023-24 | 521 | 24 | 21.7:1 | 41% (216) |
| 2022-23 | 501 | 25 | 20.0:1 | 36% (182) |
| 2020-21 | 456 | 22 | 20.7:1 | 31% (142) |
| 2017-18 | 453 | 21 | 21.6:1 | 37% (166) |
| 2015-16 | 453 | 21 | 21.6:1 | 35% (157) |
| 2010-11 | 451 | N/A | N/A | 35% (158) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Rio Del Oro Elementary.
Since 2017-18: students up 25% (453 to 564); teachers up 24% (21 to 26).
About Rio Del Oro Elementary
Rio Del Oro Elementary is an elementary school in Plumas Lake, California, and it is part of Plumas Lake Elementary. Its grade span covers kindergarten through 5, with 564 students on the rolls. Elementary schools in California average about 465 students, which makes this school 21% bigger than average.
Plumas Lake Elementary includes 3 schools. Together they enroll 1,682 students.
Of every 100 students at Rio Del Oro Elementary, about 37 are White, the largest group. Other students are 35% Hispanic, 14% multiracial, 10% Asian, and 4% Black. That is lower than the 54% White share among all Yuba County residents. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 71%.
Rio Del Oro Elementary reported 26 full-time-equivalent teachers in 2024-25, a ratio of 21.7:1. It is about the same as the 22.3:1 average for elementary schools in California. Roughly 44% of students at Rio Del Oro Elementary can receive free or reduced-price lunch. That is 24 points below the 68% average for public schools in Yuba County.
Rio Del Oro Elementary earns a C+ on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 42% of California public elementary schools.
Given its share of students eligible for free or reduced-price lunch, Rio Del Oro Elementary would be expected to post about 54.0%. Its actual average proficiency rate across its state test results is 47.8%.
Census data for Yuba County show median household income comes to about $76,373, the share of adults with a bachelor's degree or higher is 18%, and roughly 11% of residents are in poverty. The county has 41 public schools and about 16,045 students.
Of the public schools around it, Rio Del Oro Elementary is closest to Cobblestone Elementary, about 0.7 miles away. Rio Del Oro Elementary has 6 other public schools within five miles. Rio Del Oro Elementary's average proficiency of 47.8% compares with 32.0% for its nearest scored neighbors.
The school's locale code, Town: Fringe, means it is in a town close to an urbanized area.
Since 2020-21, enrollment has grown 24%, from 456 to 564.
Anyone can start a thread about fundraisers, report cards, and school supplies at Rio Del Oro Elementary. Teachers and staff are welcome to share updates too.
Yuba County at a glance
View full county profilePopulation
84,507
Census ACS
Median income
$76,373
Household, ACS
Bachelor's+
18%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
41
16,045 students
Quick facts
Related schools
Other schools in Plumas Lake Elementary
- Cobblestone ElementaryElementary · 590 students
- Riverside Meadows IntermediateMiddle · 528 students
Other schools in Plumas Lake
- Cobblestone ElementaryElementary · 590 students
- Riverside Meadows IntermediateMiddle · 528 students
Nearby schools
- Cobblestone Elementary0.7 mi · 590
- Riverside Meadows Intermediate1.4 mi · 528
- Arboga Elementary2.7 mi · 746
- Olivehurst Elementary4.5 mi · 489
- Browns Elementary4.7 mi · 143
- Johnson Park Elementary4.9 mi · 456
Frequently asked questions
About Rio Del Oro ElementaryHow many students attend Rio Del Oro Elementary?
Rio Del Oro Elementary enrolls approximately 564 students in grades KG-05.
Is Rio Del Oro Elementary an elementary, middle, or high school?
Rio Del Oro Elementary is an elementary school covering grades KG-05.
How many teachers does Rio Del Oro Elementary have?
Rio Del Oro Elementary employs 26 FTE teachers, for a student-to-teacher ratio of 21.7:1.
What is the student diversity at Rio Del Oro Elementary?
Student demographics at Rio Del Oro Elementary are roughly 37% White, 35% Hispanic, 4% Black, 10% Asian, 14% Two or more.
What district is Rio Del Oro Elementary in?
Rio Del Oro Elementary is part of Plumas Lake Elementary.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.