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If you could change one rule at Cobblestone Elementary, what would it be?
Community prompt from u/allk12. Replies below.
Enrollment
372
Elementary
DISTRICT 476 · STATE 465
SCHOOL COMMUNITY·ROCKLIN UNIFIED·NCES 060001310270
Cobblestone Elementary
5740 Cobblestone Dr., Rocklin, CA 95765 · (916) 632-0140 · Placer County
GRADES KG–06ELEMENTARY21-SUBURBREGULAR SCHOOL372 STUDENTS
Student : Teacher
21.3:1
18 FTE teachers
DISTRICT 21.6:1 · STATE 22.3:1
Free / Reduced Lunch
31%
116 students
DISTRICT 29% · STATE 65%
Community
2
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 | 58 | 16% |
| Grade 1 | 50 | 13% |
| Grade 2 | 39 | 10% |
| Grade 3 | 66 | 18% |
| Grade 4 | 52 | 14% |
| Grade 5 | 53 | 14% |
| Grade 6 | 54 | 15% |
This year's kindergarten class (58) is 7% larger than its 6th grade class (54).
Student demographics
63%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 66% · 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
65.0%
CA avg 49.1% . +1.0pp since 2014
Math
67.6%
CA avg 37.7% . +21.6pp since 2014
What this means: On the CAASPP, California's statewide test, about 65 of every 100 students at this school read and write at grade level and about 68 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 1 points since 2014, while math scores are up about 22 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 32.7% | 32.3% | 17.0% | 17.9% |
| Math | 39.6% | 28.0% | 19.1% | 13.3% |
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 | 65.0% | 67.6% |
| 2023-24 | 64.2% | 63.3% |
| 2022-23 | 69.6% | 60.3% |
| 2021-22 | 63.5% | 60.7% |
| 2018-19 | 64.4% | 64.9% |
| 2017-18 | 64.5% | 57.5% |
| 2016-17 | 71.4% | 57.1% |
| 2015-16 | 69.0% | 53.0% |
| 2014-15 | 64.0% | 46.0% |
% 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
64.9%
composite math + reading, all grades
Predicted
61.3%
based on CA schools with similar FRL share
Beats by
+3.6pp
above demographic expectation
What this means: About 65% of students here test proficient in math and reading, compared with the roughly 61% 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 (64.9% proficient) is higher than 0 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Cobblestone Elementary this school | 372 | 31.2% | 64.9% |
| John H. Eader Elementary Huntington Beach | 416 | 27.9% | 76.1% |
| Linda Vista Elementary Yorba Linda | 387 | 27.1% | 73.8% |
| Kinetic Academy Huntington Beach | 361 | 33.8% | N/A |
| Laguna Niguel Elementary Laguna Niguel | 456 | 32.9% | 77.0% |
| Abraham Lincoln Elementary Corona Del Mar | 336 | 35.1% | 69.1% |
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 Placer County |
|---|---|---|---|
| State test proficiency ranked highest first | 64.9% | #886 of 5,151 | #15 of 61 |
| Math proficiency ranked highest first | 67.6% | #706 of 5,172 ▲ 168 | #12 of 61 ▲ 7 |
| Reading proficiency ranked highest first | 65.0% | #1,016 of 5,172 ▼ 12 | #22 of 61 ▼ 2 |
| 3-year test score change ranked biggest gain first | +4.2pp | #1,890 of 5,116 | #12 of 58 |
| Enrollment ranked largest first | 372 | #4,025 of 5,915 | #48 of 69 |
| Students per teacher ranked fewest first | 21.3:1 | #1,660 of 5,352 | #26 of 65 |
| Diversity index ranked most diverse first | 62.9% | #1,514 of 5,354 | #33 of 65 |
| Free and reduced lunch ranked highest share first | 31.2% | #4,711 of 5,625 | #34 of 67 |
| Enrollment change since 2017-18 ranked steepest decline first | -7.0% | #3,052 of 3,837 | #23 of 38 |
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
372
+9 (+2%) vs 2020
-47% since 2000-01, when it was 704
Student : Teacher
21.3:1
was 21.4:1
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 | 372 | 17.5 | 21.3:1 | 31% (116) |
| 2023-24 | 413 | 19.5 | 21.2:1 | 30% (123) |
| 2022-23 | 403 | 19.5 | 20.7:1 | 24% (97) |
| 2020-21 | 363 | 17 | 21.4:1 | 25% (91) |
| 2017-18 | 400 | 17 | 23.5:1 | 20% (80) |
| 2015-16 | 417 | 18 | 23.2:1 | 21% (88) |
| 2010-11 | 415 | N/A | N/A | 20% (82) |
| 2000-01 | 704 | 35 | 20.1:1 | 6% (41) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Cobblestone Elementary.
Since 2017-18: students down 7% (400 to 372); teachers up 3% (17 to 17.5).
About Cobblestone Elementary
Cobblestone Elementary operates as a small elementary school in Rocklin, California. The school enrolls 372 students in kindergarten through 6.
Rocklin Unified (18 schools, 11,579 students) runs Cobblestone Elementary.
About 55% of the student body at Cobblestone Elementary is White. Other groups make up 19% Hispanic, 13% Asian, and 12% multiracial. County-wide, 69% of Placer County residents are White. A diversity index of 63% means there is a 63% chance two randomly chosen students at Cobblestone Elementary are from different groups.
The student-to-teacher ratio is 21.3:1. The school has 17.5 full-time-equivalent teachers. By comparison, the average for elementary schools in California is 22.3:1. In all, 31% of students qualify for free or reduced-price lunch. The average for public schools in Placer County is similar, at 33%.
Predicted from its free or reduced-price lunch share, Cobblestone Elementary would score about 61.3%. It scores 64.9%, 3.6 points above that figure.
In Placer County, where the school is located, median household income comes to about $115,998, about 43% of adults have at least a bachelor's degree, and the poverty rate is about 5%. The county has 123 public schools and about 70,590 students.
Cobblestone Elementary's closest public school neighbor is Twin Oaks Elementary, about 0.5 miles away. Counting only straight-line distance, at least 8 other public schools are within five miles. Among its closest neighbors with test data, Cobblestone Elementary is 2nd of 7 on proficiency.
Cobblestone Elementary is coded as Suburb: Large in federal locale data.
Over 4 years, enrollment stayed close to where it was, going from 363 to 372.
This community page is for conversations about fundraisers, report cards, and school supplies. You can also rate the school on this page.
Placer County at a glance
View full county profilePopulation
419,156
Census ACS
Median income
$115,998
Household, ACS
Bachelor's+
43%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
123
70,590 students
Quick facts
Related schools
Other schools in Rocklin Unified
- Whitney HighHigh · 2,041 students
- Rocklin HighHigh · 1,936 students
- Granite Oaks MiddleMiddle · 979 students
- Spring View MiddleMiddle · 780 students
- Quarry Trail ElementaryElementary · 705 students
- Rocklin ElementaryElementary · 631 students
Other schools in Rocklin
- Whitney HighHigh · 2,041 students
- Rocklin HighHigh · 1,936 students
- Rocklin Academy GatewayElementary · 1,093 students
- Granite Oaks MiddleMiddle · 979 students
- Spring View MiddleMiddle · 780 students
- Western Sierra Collegiate AcademyHigh · 776 students
Other Cobblestone Elementary schools
One other US public school is named Cobblestone Elementary. Cobblestone Elementary is the 2nd largest of the 2.
- Cobblestone ElementaryPlumas Lake, CA · 590 students
Nearby schools
- Twin Oaks Elementary0.5 mi · 506
- Parker Whitney Elementary0.8 mi · 422
- Rock Creek Elementary0.8 mi · 416
- Victory High1.1 mi · 85
- Rocklin Alternative Education Center1.1 mi · 42
- Rocklin High1.1 mi · 1,936
Frequently asked questions
About Cobblestone ElementaryWhat is the total enrollment at Cobblestone Elementary?
Cobblestone Elementary enrolls approximately 372 students in grades KG-06.
What age range does Cobblestone Elementary serve?
Cobblestone Elementary serves students from grade KG through grade 06.
How many students per teacher at Cobblestone Elementary?
Approximately 21.3:1 students per teacher at Cobblestone Elementary.
How diverse is Cobblestone Elementary?
Cobblestone Elementary reports a student body of 55% White, 19% Hispanic, 13% Asian, 12% Two or more.
What district is Cobblestone Elementary in?
Cobblestone Elementary is part of Rocklin Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.