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Teachers: what resource would make the biggest difference at Evelyn Costa Elementary this year?
Community prompt from u/allk12. Replies below.
Enrollment
612
Elementary
DISTRICT 690 · STATE 465
SCHOOL COMMUNITY·LAMMERSVILLE JOINT UNIFIED·NCES 060141014685
Evelyn Costa Elementary
1675 South Gobind Blvd., Mountain House, CA 95391 · (209) 836-7280 · San Joaquin County
GRADES KG–08ELEMENTARY41-RURALREGULAR SCHOOL612 STUDENTS
A
allk12 Grade
Scored higher than 87% of California public elementary schools
- ATest 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.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
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
23.4:1
26 FTE teachers
DISTRICT 22.6:1 · STATE 22.3:1
Free / Reduced Lunch
6%
38 students
DISTRICT 13% · STATE 65%
Community
5
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 | 148 | 24% |
| Grade 1 | 45 | 7% |
| Grade 2 | 64 | 10% |
| Grade 3 | 67 | 11% |
| Grade 4 | 49 | 8% |
| Grade 5 | 48 | 8% |
| Grade 6 | 64 | 10% |
| Grade 7 | 64 | 10% |
| Grade 8 | 63 | 10% |
This year's kindergarten class (148) is 135% larger than its 8th grade class (63).
Student demographics
27%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 56% · 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
Evelyn Costa Elementary→Mountain House High
Based on grade levels within Lammersville Joint Unified. Attendance zones can vary; confirm enrollment with the district.
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
80.3%
CA avg 49.1% . +3.0pp since 2023
Math
79.2%
CA avg 37.7% . +2.7pp since 2023
What this means: On the CAASPP, California's statewide test, about 80 of every 100 students at this school read and write at grade level and about 79 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 3 points since 2023, while math scores are up about 3 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 50.7% | 29.6% | 11.8% | 7.9% |
| Math | 58.9% | 20.3% | 13.5% | 7.3% |
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 | 80.3% | 79.2% |
| 2023-24 | 77.3% | 76.5% |
% 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
78.2%
composite math + reading, all grades
Predicted
75.9%
based on CA schools with similar FRL share
Beats by
+2.3pp
above demographic expectation
What this means: About 78% of students here test proficient in math and reading, compared with the roughly 76% 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 Evelyn Costa Elementary
Evelyn Costa Elementary's state test result (78.2% proficient) is higher than 0 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Evelyn Costa Elementary this school | 612 | 6.2% | 78.2% |
| John Green Elementary Dublin | 661 | 7.9% | 80.0% |
| Murdock-Portal Elementary San Jose | 551 | 8.5% | 95.3% |
| Millikin Elementary Santa Clara | 504 | 4.2% | 91.1% |
| John Muir Elementary San Jose | 557 | 8.4% | 91.9% |
| William Faria Elementary Cupertino | 614 | 12.5% | 95.5% |
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 Evelyn Costa Elementary ranks
Among elementary schools| Measure | This school | In California | In San Joaquin County |
|---|---|---|---|
| State test proficiency ranked highest first | 78.2% | #301 of 5,151 | #4 of 138 |
| Math proficiency ranked highest first | 79.2% | #269 of 5,172 ▲ 92 | #3 of 138 no change |
| Reading proficiency ranked highest first | 80.3% | #256 of 5,172 ▲ 103 | #3 of 138 no change |
| Enrollment ranked largest first | 612 | #1,289 of 5,915 | #59 of 159 |
| Students per teacher ranked fewest first | 23.4:1 | #3,252 of 5,352 | #69 of 149 |
| Diversity index ranked most diverse first | 27.3% | #4,074 of 5,354 | #136 of 149 |
| Free and reduced lunch ranked highest share first | 6.2% | #5,558 of 5,625 | #153 of 154 |
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.
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 612 | 26.2 | 23.4:1 | 6% (38) |
| 2023-24 | 504 | 22.1 | 22.8:1 | 5% (23) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Evelyn Costa Elementary.
About Evelyn Costa Elementary
Evelyn Costa Elementary is a mid-sized elementary school in Mountain House, California, one of the schools in Lammersville Joint Unified. Enrollment totals 612 students across kindergarten through 8. On average, elementary schools in California enroll around 465, and this school is 32% bigger than that mark.
Evelyn Costa Elementary is one of 9 schools in Lammersville Joint Unified, which enrolls 7,945 students in total.
By race and ethnicity, Evelyn Costa Elementary is 85% Asian. The next largest groups are 5% Hispanic, 3% White, 3% multiracial, and 2% Black. The school's Asian share is 66 points above the 19% share among San Joaquin County residents. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 27%.
The student-to-teacher ratio at Evelyn Costa Elementary is 23.4:1, based on 26.2 full-time-equivalent teachers. The average for elementary schools in California is 22.3:1, so this school has more students per teacher. Evelyn Costa Elementary counts 6% of students as eligible for free or reduced-price lunch. On average, public schools in San Joaquin County report 66%.
Evelyn Costa Elementary earns an A on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 87% of California public elementary schools.
After adjusting for student poverty, Evelyn Costa Elementary lands between the top and bottom 10% of California schools. Its average proficiency rate across its state test results is 78.2%; the prediction is 75.9%.
The county, San Joaquin County, is where the school is located. The median household earns about $92,179 a year, the share of adults with a bachelor's degree or higher is 23%, and about 10% of people live in poverty. Counting Evelyn Costa Elementary, San Joaquin County has 251 public schools.
About 0.5 miles separate Evelyn Costa Elementary from the closest public school, Julius Cordes Elementary. The five-mile area around Evelyn Costa Elementary holds at least 8 other public schools. Evelyn Costa Elementary ranks 3rd of 9 among nearby schools on average proficiency, with 78.2% against a local average of 69.1%.
The school's setting, by NCES definition, is Rural: Fringe: in rural territory close to an urban area.
You can use this page to share news and ask questions about fundraisers, report cards, and school supplies. Current and former families are welcome to add their experience.
San Joaquin County at a glance
View full county profilePopulation
797,334
Census ACS
Median income
$92,179
Household, ACS
Bachelor's+
23%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
251
153,026 students
Quick facts
Related schools
Other schools in Lammersville Joint Unified
- Mountain House HighHigh · 2,428 students
- Hansen ElementaryElementary · 930 students
- Julius Cordes ElementaryElementary · 877 students
- Sebastian Questa ElementaryElementary · 822 students
- Bethany ElementaryElementary · 768 students
- Wicklund ElementaryElementary · 689 students
Other schools in Mountain House
- Mountain House HighHigh · 2,428 students
- Hansen ElementaryElementary · 930 students
- Julius Cordes ElementaryElementary · 877 students
- Sebastian Questa ElementaryElementary · 822 students
- Bethany ElementaryElementary · 768 students
- Wicklund ElementaryElementary · 689 students
Nearby schools
- Julius Cordes Elementary0.5 mi · 877
- Hansen Elementary0.7 mi · 930
- Mountain House High0.7 mi · 2,428
- Wicklund Elementary1.2 mi · 689
- Bethany Elementary1.3 mi · 768
- Lammersville Elementary1.6 mi · 203
Frequently asked questions
About Evelyn Costa ElementaryHow many students attend Evelyn Costa Elementary?
Evelyn Costa Elementary enrolls approximately 612 students in grades KG-08.
Is Evelyn Costa Elementary an elementary, middle, or high school?
Evelyn Costa Elementary is an elementary school covering grades KG-08.
How many teachers does Evelyn Costa Elementary have?
Evelyn Costa Elementary employs 26 FTE teachers, for a student-to-teacher ratio of 23.4:1.
What is the student diversity at Evelyn Costa Elementary?
Student demographics at Evelyn Costa Elementary are roughly 3% White, 5% Hispanic, 2% Black, 85% Asian, 3% Two or more.
What district is Evelyn Costa Elementary in?
Evelyn Costa Elementary is part of Lammersville Joint Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.