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What do you wish you knew before starting at Sebastian Questa Elementary?
Community prompt from u/allk12. Replies below.
Enrollment
822
Elementary
DISTRICT 690 · STATE 465
SCHOOL COMMUNITY·LAMMERSVILLE JOINT UNIFIED·NCES 060141012551
Sebastian Questa Elementary
685 North Montebello St., Mountain House, CA 95391 · (209) 836-7230 · San Joaquin County
GRADES KG–08ELEMENTARY22-SUBURBREGULAR SCHOOL822 STUDENTS
B+
allk12 Grade
Scored higher than 72% 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.
- C+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- BThree-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
22.3:1
37 FTE teachers
DISTRICT 22.6:1 · STATE 22.3:1
Free / Reduced Lunch
8%
67 students
DISTRICT 13% · 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 | 99 | 12% |
| Grade 1 | 73 | 9% |
| Grade 2 | 78 | 9% |
| Grade 3 | 91 | 11% |
| Grade 4 | 84 | 10% |
| Grade 5 | 85 | 10% |
| Grade 6 | 108 | 13% |
| Grade 7 | 99 | 12% |
| Grade 8 | 105 | 13% |
This year's kindergarten class (99) is 6% smaller than its 8th grade class (105).
Student demographics
55%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
Sebastian Questa 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
75.3%
CA avg 49.1% . +16.3pp since 2014
Math
72.3%
CA avg 37.7% . +20.3pp since 2014
What this means: On the CAASPP, California's statewide test, about 75 of every 100 students at this school read and write at grade level and about 72 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 16 points since 2014, while math scores are up about 20 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 46.8% | 28.5% | 14.2% | 10.5% |
| Math | 51.5% | 20.8% | 16.3% | 11.4% |
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 | 75.3% | 72.3% |
| 2023-24 | 73.6% | 70.3% |
| 2022-23 | 70.7% | 69.3% |
| 2021-22 | 73.2% | 67.7% |
| 2018-19 | 71.5% | 71.8% |
| 2017-18 | 70.0% | 65.7% |
| 2016-17 | 67.8% | 59.1% |
| 2015-16 | 63.0% | 57.0% |
| 2014-15 | 59.0% | 52.0% |
% 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
72.6%
composite math + reading, all grades
Predicted
74.8%
based on CA schools with similar FRL share
Beats by
-2.1pp
below demographic expectation
What this means: About 73% of students here test proficient in math and reading, compared with the roughly 75% 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 Sebastian Questa Elementary
Sebastian Questa Elementary's state test result (72.6% proficient) is higher than 1 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Sebastian Questa Elementary this school | 822 | 8.2% | 72.6% |
| Donlon Elementary Pleasanton | 700 | 10.4% | 78.8% |
| Carver Elementary San Marino | 777 | 10.8% | 88.9% |
| Loma Ridge Elementary Irvine | 766 | 11.5% | 71.5% |
| Bullis Charter Los Altos | 997 | 5.1% | N/A |
| James Dougherty Elementary Dublin | 856 | 17.1% | 76.3% |
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 Sebastian Questa Elementary ranks
Among elementary schools| Measure | This school | In California | In San Joaquin County |
|---|---|---|---|
| State test proficiency ranked highest first | 72.6% | #530 of 5,151 | #5 of 138 |
| Math proficiency ranked highest first | 72.3% | #510 of 5,172 ▲ 76 | #5 of 138 no change |
| Reading proficiency ranked highest first | 75.3% | #484 of 5,172 ▲ 45 | #5 of 138 no change |
| 3-year test score change ranked biggest gain first | +3.3pp | #2,171 of 5,116 | #43 of 136 |
| Enrollment ranked largest first | 822 | #323 of 5,915 | #19 of 159 |
| Students per teacher ranked fewest first | 22.3:1 | #2,392 of 5,352 | #36 of 149 |
| Diversity index ranked most diverse first | 54.6% | #2,379 of 5,354 | #82 of 149 |
| Free and reduced lunch ranked highest share first | 8.2% | #5,522 of 5,625 | #152 of 154 |
| Enrollment change since 2017-18 ranked steepest decline first | -8.9% | #2,829 of 3,837 | #59 of 95 |
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
822
-3 (0%) vs 2020
Student : Teacher
22.3:1
was 25.0:1
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 | 822 | 36.9 | 22.3:1 | 8% (67) |
| 2023-24 | 858 | 38.2 | 22.4:1 | 9% (79) |
| 2022-23 | 910 | 39.8 | 22.9:1 | 10% (92) |
| 2020-21 | 825 | 33 | 25.0:1 | 9% (73) |
| 2017-18 | 902 | 36.7 | 24.6:1 | 9% (85) |
| 2015-16 | 763 | 31 | 24.6:1 | 6% (48) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Sebastian Questa Elementary.
Since 2017-18: students down 9% (902 to 822); teachers up 1% (36.7 to 36.9).
About Sebastian Questa Elementary
In Mountain House, California, part of San Joaquin County, Sebastian Questa Elementary is an elementary school. The latest federal count shows 822 students in kindergarten through 8. The average for elementary schools in California is about 465 students, so this school is 77% larger than average.
Lammersville Joint Unified counts 9 schools and 7,945 students, including Sebastian Questa Elementary.
Roughly 65% of students at Sebastian Questa Elementary are Asian. Other groups include 13% Hispanic, 10% White, 8% multiracial, and 4% Black. By comparison, San Joaquin County residents are about 19% Asian. Pick two students at random and there is a 55% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.
At Sebastian Questa Elementary, 36.9 full-time-equivalent teachers work with students, a ratio of about 22.3:1. That matches the 22.3:1 average for elementary schools in California fairly closely. Roughly 8% of the student body qualifies for free or reduced-price lunch. Among public schools in San Joaquin County, the average eligibility rate is 66%.
allk12 grades Sebastian Questa Elementary a B+. The grade compares the school only with California public elementary schools, because each state gives its own test.
Sebastian Questa Elementary sits between the top and bottom 10% of California schools on BeatsExpectations, with an actual average proficiency rate on state tests of 72.6% and a predicted 74.8%.
In San Joaquin County (population about 797,334), the median household income is $92,179, roughly 23% of adults have a four-year degree or more, and the share of residents below the poverty line is 10%. There are 251 public schools in San Joaquin County, enrolling about 153,026 students in all.
Altamont Elementary is the public school closest to Sebastian Questa Elementary, about 0.4 miles away. The count of other public schools within five miles is at least 8. The average proficiency across nearby scored schools is 73.6%; Sebastian Questa Elementary's is 72.6%, ranking 4th of 8.
The National Center for Education Statistics classifies the school's location as Suburb: Mid-size, meaning it is in a suburban area outside a principal city, within an urbanized area with a population between 100,000 and 250,000.
Enrollment was essentially flat over 4 years: 825 in 2020-21, 822 in 2024-25. The ratio of students to teachers went from 25.0:1 to 22.3:1 over the same years.
Families, students, and staff can use this page to discuss school safety, transportation, and start times at Sebastian Questa Elementary. Alumni can share how the school prepared them.
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
- Bethany ElementaryElementary · 768 students
- Wicklund ElementaryElementary · 689 students
- Altamont ElementaryElementary · 616 students
Other schools in Mountain House
- Mountain House HighHigh · 2,428 students
- Hansen ElementaryElementary · 930 students
- Julius Cordes ElementaryElementary · 877 students
- Bethany ElementaryElementary · 768 students
- Wicklund ElementaryElementary · 689 students
- Altamont ElementaryElementary · 616 students
Nearby schools
- Altamont Elementary0.4 mi · 616
- Bethany Elementary1.1 mi · 768
- Wicklund Elementary1.3 mi · 689
- Mountain House Elementary1.4 mi · 14
- Mountain House High1.7 mi · 2,428
- Hansen Elementary1.9 mi · 930
Frequently asked questions
About Sebastian Questa ElementaryHow large is Sebastian Questa Elementary?
Sebastian Questa Elementary enrolls approximately 822 students in grades KG-08.
Is Sebastian Questa Elementary an elementary, middle, or high school?
Sebastian Questa Elementary is an elementary school covering grades KG-08.
What is the student-teacher ratio at Sebastian Questa Elementary?
The student-to-teacher ratio at Sebastian Questa Elementary is approximately 22.3:1 (37 FTE teachers).
What is the racial breakdown of students at Sebastian Questa Elementary?
At Sebastian Questa Elementary, the student body is approximately 10% White, 13% Hispanic, 4% Black, 65% Asian, 8% Two or more.
Is Sebastian Questa Elementary public or private?
Sebastian Questa Elementary is a public K-12 school, overseen by Lammersville Joint Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.