Enrollment
378
Elementary
DISTRICT 378 · STATE 465
SCHOOL COMMUNITY·SAN BRUNO PARK ELEMENTARY·NCES 063423008626
Portola Elementary
300 Amador Ave., San Bruno, CA 94066 · (650) 624-3175 · San Mateo County
GRADES KG–06ELEMENTARY21-SUBURBREGULAR SCHOOL378 STUDENTS
B+
allk12 Grade
Scored higher than 67% of California public elementary schools
- A-Test 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.
- FThree-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
27.0:1
14 FTE teachers
DISTRICT 26.1:1 · STATE 22.3:1
Free / Reduced Lunch
36%
136 students
DISTRICT 55% · STATE 65%
Community
0
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 | 75 | 20% |
| Grade 1 | 53 | 14% |
| Grade 2 | 50 | 13% |
| Grade 3 | 43 | 11% |
| Grade 4 | 57 | 15% |
| Grade 5 | 59 | 16% |
| Grade 6 | 41 | 11% |
This year's kindergarten class (75) is 83% larger than its 6th grade class (41).
Student demographics
66%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 67% · 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
59.4%
CA avg 49.1% . +0.4pp since 2014
Math
57.1%
CA avg 37.7% . -8.9pp since 2014
What this means: On the CAASPP, California's statewide test, about 59 of every 100 students at this school read and write at grade level and about 57 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores have held steady since 2014, while math scores are down about 9 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 28.8% | 30.6% | 20.6% | 20.0% |
| Math | 23.6% | 33.5% | 24.8% | 18.0% |
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 | 59.4% | 57.1% |
| 2023-24 | 67.5% | 69.8% |
| 2022-23 | 74.0% | 76.4% |
| 2021-22 | 69.7% | 62.8% |
| 2020-21 | 66.1% | 60.3% |
| 2018-19 | 71.4% | 66.5% |
| 2017-18 | 62.6% | 65.0% |
| 2016-17 | 71.7% | 68.1% |
| 2015-16 | 66.0% | 65.0% |
| 2014-15 | 59.0% | 66.0% |
% 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
63.6%
composite math + reading, all grades
Predicted
58.5%
based on CA schools with similar FRL share
Beats by
+5.1pp
above demographic expectation
What this means: About 64% of students here test proficient in math and reading, compared with the roughly 58% 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 Portola Elementary
Portola Elementary's state test result (63.6% proficient) is higher than 4 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Portola Elementary this school | 378 | 36.0% | 63.6% |
| Birch Grove Primary Newark | 409 | 30.8% | N/A |
| Cadwallader Elementary San Jose | 374 | 43.3% | 60.8% |
| Skyline Elementary Daly City | 366 | 39.3% | 56.3% |
| Brooktree Elementary San Jose | 387 | 40.6% | 47.6% |
| Birch Grove Intermediate Newark | 289 | 35.6% | 57.8% |
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 Portola Elementary ranks
Among elementary schools| Measure | This school | In California | In San Mateo County |
|---|---|---|---|
| State test proficiency ranked highest first | 63.6% | #944 of 5,151 | #44 of 96 |
| Math proficiency ranked highest first | 57.1% | #1,187 of 5,172 ▼ 571 | #51 of 96 ▼ 14 |
| Reading proficiency ranked highest first | 59.4% | #1,378 of 5,172 ▼ 535 | #50 of 96 ▼ 13 |
| 3-year test score change ranked biggest drop first | -8.0pp | #222 of 5,116 | #11 of 96 |
| Enrollment ranked largest first | 378 | #3,955 of 5,915 | #46 of 106 |
| Students per teacher ranked fewest first | 27.0:1 | #5,118 of 5,352 | #96 of 99 |
| Diversity index ranked most diverse first | 65.8% | #1,158 of 5,354 | #44 of 99 |
| Free and reduced lunch ranked highest share first | 36.0% | #4,510 of 5,625 | #46 of 103 |
| Enrollment change since 2017-18 ranked fastest growth first | +8.9% | #554 of 1,139 | #11 of 13 |
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
378
+75 (+25%) vs 2020
+91% since 2000-01, when it was 198
Student : Teacher
27.0:1
was 25.3:1
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 | 378 | 14 | 27.0:1 | 36% (136) |
| 2023-24 | 325 | 14 | 23.2:1 | 19% (63) |
| 2022-23 | 258 | 11 | 23.5:1 | 20% (52) |
| 2020-21 | 303 | 12 | 25.3:1 | 12% (37) |
| 2017-18 | 347 | 12.5 | 27.8:1 | 13% (46) |
| 2015-16 | 344 | 10 | 34.4:1 | 13% (45) |
| 2010-11 | 271 | N/A | N/A | 19% (51) |
| 2000-01 | 198 | 10 | 19.8:1 | 22% (44) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Portola Elementary.
Since 2017-18: students up 9% (347 to 378); teachers up 12% (12.5 to 14).
About Portola Elementary
Portola Elementary is an elementary school in San Bruno, California, according to federal school records. Enrolled students number 378 students, in kindergarten through 6.
San Bruno Park Elementary is the local district for Portola Elementary. It runs 5 schools with 2,001 students.
Portola Elementary's enrollment has no majority group, and Asian students are the largest at 47%. After that, the student body is 26% Hispanic, 23% multiracial, and 2% Pacific Islander. Among all residents of San Mateo County, the Asian share is about 31%. Portola Elementary has a diversity index of 66%, compared with 70% for all US public school students.
Teachers at Portola Elementary total 14 full-time equivalents, and the ratio is 27.0:1. The 22.3:1 average for elementary schools in California is lower than this school's figure. The school counts 136 students as eligible for free or reduced-price lunch, or 36%. Across public schools in San Mateo County, the average is about the same, 34%.
Measured against California public elementary schools, Portola Elementary receives a B+. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.
On BeatsExpectations, Portola Elementary is 5.1 points above its prediction, a result in the middle 80% of California schools.
Census estimates describe San Mateo County this way: median household income is about $158,855, a bachelor's degree or higher is held by about 54% of adults, and the poverty rate is about 4%. Federal data list 176 public schools in San Mateo County, with a combined enrollment of about 82,403.
Nearby, Monte Verde Elementary is about 0.8 miles away. Other public schools within five miles number at least 8. Compared with its nearest neighbors, Portola Elementary ranks 3rd of 8 on average proficiency.
In the federal locale system, Portola Elementary is coded Suburb: Large, for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Enrollment was 303 in 2020-21 and 378 in 2024-25, a rise of 75 students. In 2020-21, the student-to-teacher ratio was 25.3:1; by 2024-25 it was 27.0:1.
Conversations here can range across sports schedules, lunch menus, and spirit week. Reviews and ratings from people who know the school are welcome.
San Mateo County at a glance
View full county profilePopulation
742,340
Census ACS
Median income
$158,855
Household, ACS
Bachelor's+
54%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
176
82,403 students
Quick facts
Related schools
Other schools in San Bruno Park Elementary
- Parkside IntermediateMiddle · 491 students
- John Muir ElementaryElementary · 486 students
- Allen (Decima M.) ElementaryElementary · 396 students
- Belle Air ElementaryElementary · 250 students
- Rollingwood ElementaryCombined
Other schools in San Bruno
- Capuchino HighHigh · 1,061 students
- Monte Verde ElementaryElementary · 517 students
- Parkside IntermediateMiddle · 491 students
- John Muir ElementaryElementary · 486 students
- Allen (Decima M.) ElementaryElementary · 396 students
- Lomita Park ElementaryElementary · 277 students
Other Portola Elementary schools
One other US public school is named Portola Elementary. Portola Elementary is the 2nd largest of the 2.
- Portola ElementaryVentura, CA · 444 students
Nearby schools
- Monte Verde Elementary0.8 mi · 517
- John Muir Elementary1.2 mi · 486
- Westborough Middle1.4 mi · 498
- Vallemar Elementary1.8 mi · 500
- Ponderosa Elementary1.8 mi · 359
- Parkside Intermediate2.0 mi · 491
Frequently asked questions
About Portola ElementaryWhat is the total enrollment at Portola Elementary?
Portola Elementary enrolls approximately 378 students in grades KG-06.
What age range does Portola Elementary serve?
Portola Elementary serves students from grade KG through grade 06.
How many students per teacher at Portola Elementary?
Approximately 27.0:1 students per teacher at Portola Elementary.
How diverse is Portola Elementary?
Portola Elementary reports a student body of 1% White, 26% Hispanic, 1% Black, 47% Asian, 23% Two or more.
Who oversees Portola Elementary?
Portola Elementary is overseen by San Bruno Park Elementary in San Mateo County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.