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If you had an hour of school board time for Cobblestone Elementary, what would you bring up?
Community prompt from u/allk12. Replies below.
Enrollment
590
Elementary
DISTRICT 577 · STATE 465
SCHOOL COMMUNITY·PLUMAS LAKE ELEMENTARY·NCES 063118012166
Cobblestone Elementary
1718 Churchill Way, Plumas Lake, CA 95961 · (530) 634-9723 · Yuba County
GRADES KG–05ELEMENTARY31-TOWNTITLE IREGULAR SCHOOL590 STUDENTS
Student : Teacher
22.3:1
27 FTE teachers
DISTRICT 22.0:1 · STATE 22.3:1
Free / Reduced Lunch
44%
262 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 | 22% |
| Grade 1 | 91 | 15% |
| Grade 2 | 94 | 16% |
| Grade 3 | 77 | 13% |
| Grade 4 | 95 | 16% |
| Grade 5 | 101 | 17% |
This year's kindergarten class (132) is 31% larger than its 5th grade class (101).
Student demographics
74%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
Cobblestone 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
50.0%
CA avg 49.1% . -7.0pp since 2014
Math
40.4%
CA avg 37.7% . -1.6pp since 2014
What this means: On the CAASPP, California's statewide test, about 50 of every 100 students at this school read and write at grade level and about 40 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 7 points since 2014, while math scores are down about 2 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 23.6% | 26.4% | 21.8% | 28.2% |
| Math | 16.8% | 23.6% | 30.0% | 29.6% |
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 | 50.0% | 40.4% |
| 2023-24 | 50.9% | 39.9% |
| 2022-23 | 50.0% | 47.0% |
| 2021-22 | 61.3% | 48.9% |
| 2018-19 | 54.0% | 54.0% |
| 2017-18 | 57.1% | 50.6% |
| 2016-17 | 54.6% | 37.1% |
| 2015-16 | 56.0% | 51.0% |
| 2014-15 | 57.0% | 42.0% |
% 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
45.6%
composite math + reading, all grades
Predicted
53.5%
based on CA schools with similar FRL share
Beats by
-7.9pp
below demographic expectation
What this means: About 46% 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 Cobblestone Elementary
Cobblestone Elementary's state test result (45.6% proficient) is higher than 0 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Cobblestone Elementary this school | 590 | 44.4% | 45.6% |
| Liberty Elementary Fresno | 618 | 44.7% | 82.4% |
| Topeka Charter School for Advanced Studies Northridge | 610 | 44.1% | 68.9% |
| Maple Creek Elementary Fresno | 536 | 48.3% | 61.4% |
| Monte Gardens Elementary Concord | 562 | 44.3% | 54.1% |
| Ellen Feickert Elementary Elk Grove | 541 | 49.7% | 53.3% |
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 Cobblestone Elementary ranks
Among elementary schools| Measure | This school | In California | In Yuba County |
|---|---|---|---|
| State test proficiency ranked highest first | 45.6% | #2,025 of 5,151 | #4 of 15 |
| Math proficiency ranked highest first | 40.4% | #2,268 of 5,172 ▼ 68 | #5 of 15 ▼ 2 |
| Reading proficiency ranked highest first | 50.0% | #2,037 of 5,172 ▼ 190 | #5 of 15 ▼ 1 |
| 3-year test score change ranked biggest drop first | -9.9pp | #141 of 5,116 | #1 of 15 |
| Enrollment ranked largest first | 590 | #1,486 of 5,915 | #4 of 21 |
| Students per teacher ranked fewest first | 22.3:1 | #2,389 of 5,352 | #6 of 14 |
| Diversity index ranked most diverse first | 73.7% | #224 of 5,354 | #1 of 14 |
| Free and reduced lunch ranked highest share first | 44.4% | #4,165 of 5,625 | #14 of 16 |
| Enrollment change since 2017-18 ranked fastest growth first | +56.1% | #27 of 1,139 | #1 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
590
+107 (+22%) vs 2020
+114% since 2010-11, when it was 276
Student : Teacher
22.3:1
was 20.1:1
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 | 590 | 26.5 | 22.3:1 | 44% (262) |
| 2023-24 | 571 | 26 | 22.0:1 | 42% (237) |
| 2022-23 | 546 | 24 | 22.8:1 | 37% (203) |
| 2020-21 | 483 | 24 | 20.1:1 | 35% (169) |
| 2017-18 | 378 | 18 | 21.0:1 | 35% (134) |
| 2015-16 | 386 | 18 | 21.4:1 | 42% (161) |
| 2010-11 | 276 | N/A | N/A | 47% (129) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Cobblestone Elementary.
Since 2017-18: students up 56% (378 to 590); teachers up 47% (18 to 26.5).
About Cobblestone Elementary
Located in Plumas Lake, California, Cobblestone Elementary is a mid-sized elementary school. It had 590 students in 2024-25, spanning kindergarten through 5. That compares with an average of about 465 students for elementary schools in California.
A total of 3 schools make up Plumas Lake Elementary, with 1,682 students enrolled.
No group is above 50% at Cobblestone Elementary; the largest is Hispanic, at 36%. The school is also 31% White, 16% Asian, 11% multiracial, and 6% Black. The diversity index for Cobblestone Elementary is 74%. For US public schools as a whole it is 70%.
A staff of 26.5 full-time-equivalent teachers puts the student-to-teacher ratio at 22.3:1. That is in line with the 22.3:1 average for elementary schools in California. By family income, 44% of students are eligible for free or reduced-price lunch. Compared with the 68% average for public schools in Yuba County, the school's rate is lower.
Compared with California schools that have similar shares of low-income students, Cobblestone Elementary's results are 7.9 points below predicted: 45.6% against 53.5%.
The school's county is Yuba County. According to Census Bureau estimates, median household income comes to about $76,373, 18% of adults hold a bachelor's degree or higher, and about 11% of residents live below the federal poverty line. Yuba County's 41 public schools enroll about 16,045 students and include Cobblestone Elementary.
Cobblestone Elementary's nearest public school is Rio Del Oro Elementary (about 0.7 miles). There are 4 more public schools inside five miles. By average proficiency, Cobblestone Elementary is 2nd among 8 schools close by.
Cobblestone Elementary is in a town close to an urbanized area, a location NCES labels Town: Fringe.
Over the 4 years from 2020-21 to 2024-25, enrollment increased 22%. The school's ratio increased from 20.1:1 to 22.3:1 between 2020-21 and 2024-25.
Anyone can start a thread about open houses, carpools, and field trips at Cobblestone Elementary. Parents, students, alumni, and staff are welcome to post.
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
- Rio Del Oro ElementaryElementary · 564 students
- Riverside Meadows IntermediateMiddle · 528 students
Other schools in Plumas Lake
- Rio Del Oro ElementaryElementary · 564 students
- Riverside Meadows IntermediateMiddle · 528 students
Other Cobblestone Elementary schools
One other US public school is named Cobblestone Elementary. Cobblestone Elementary is the largest of the 2.
- Cobblestone ElementaryRocklin, CA · 372 students
Nearby schools
- Rio Del Oro Elementary0.7 mi · 564
- Riverside Meadows Intermediate0.7 mi · 528
- Arboga Elementary3.4 mi · 746
- Browns Elementary4.0 mi · 143
- Olivehurst Elementary5.1 mi · 489
- Johnson Park Elementary5.4 mi · 456
Frequently asked questions
About Cobblestone ElementaryWhat is the total enrollment at Cobblestone Elementary?
Cobblestone Elementary enrolls approximately 590 students in grades KG-05.
What grades does Cobblestone Elementary serve?
Cobblestone Elementary serves grades KG-05.
How many students per teacher at Cobblestone Elementary?
Approximately 22.3:1 students per teacher at Cobblestone Elementary.
What is the student diversity at Cobblestone Elementary?
Student demographics at Cobblestone Elementary are roughly 31% White, 36% Hispanic, 6% Black, 16% Asian, 11% Two or more.
What district is Cobblestone Elementary in?
Cobblestone Elementary is part of Plumas Lake Elementary.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.