Enrollment
338
Elementary
DISTRICT 338 · STATE 465
SCHOOL COMMUNITY·MILLBRAE ELEMENTARY·NCES 062490003717
Green Hills Elementary
401 Ludeman Ln., Millbrae, CA 94030 · (650) 588-6485 · San Mateo County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL338 STUDENTS
Student : Teacher
22.5:1
15 FTE teachers
DISTRICT 23.7:1 · STATE 22.3:1
Free / Reduced Lunch
15%
50 students
DISTRICT 20% · 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 | 76 | 22% |
| Grade 1 | 48 | 14% |
| Grade 2 | 55 | 16% |
| Grade 3 | 55 | 16% |
| Grade 4 | 56 | 17% |
| Grade 5 | 48 | 14% |
This year's kindergarten class (76) is 58% larger than its 5th grade class (48).
Student demographics
56%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 64% · 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
Green Hills Elementary→Taylor Middle
Based on grade levels within Millbrae Elementary. Attendance zones can vary; confirm enrollment with the district.
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
80.5%
CA avg 49.1% . +16.5pp since 2014
Math
81.3%
CA avg 37.7% . +22.3pp since 2014
What this means: On the CAASPP, California's statewide test, about 81 of every 100 students at this school read and write at grade level and about 81 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 17 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 | 48.0% | 32.5% | 11.0% | 8.4% |
| Math | 59.4% | 21.9% | 11.0% | 7.7% |
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 | 80.5% | 81.3% |
| 2023-24 | 73.0% | 81.3% |
| 2022-23 | 68.6% | 78.6% |
| 2021-22 | 78.7% | 79.5% |
| 2020-21 | 71.9% | 72.6% |
| 2018-19 | 73.8% | 78.5% |
| 2017-18 | 70.9% | 67.5% |
| 2016-17 | 67.2% | 70.1% |
| 2015-16 | 67.0% | 63.0% |
| 2014-15 | 64.0% | 59.0% |
% 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
79.1%
composite math + reading, all grades
Predicted
70.9%
based on CA schools with similar FRL share
Beats by
+8.2pp
above demographic expectation
What this means: About 79% of students here test proficient in math and reading, compared with the roughly 71% 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 Green Hills Elementary
Green Hills Elementary's state test result (79.1% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Green Hills Elementary this school | 338 | 14.8% | 79.1% |
| Meadows Elementary Millbrae | 360 | 14.7% | 75.5% |
| Spring Valley Elementary Millbrae | 375 | 17.6% | 68.6% |
| Jensen Ranch Elementary Castro Valley | 373 | 20.1% | 82.8% |
| Stevens Creek Elementary Cupertino | 407 | 13.3% | 77.2% |
| Franklin Elementary Burlingame | 357 | 17.1% | 81.2% |
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 Green Hills Elementary ranks
Among elementary schools| Measure | This school | In California | In San Mateo County |
|---|---|---|---|
| State test proficiency ranked highest first | 79.1% | #263 of 5,151 | #19 of 96 |
| Math proficiency ranked highest first | 81.3% | #190 of 5,172 ▼ 9 | #19 of 96 ▼ 2 |
| Reading proficiency ranked highest first | 80.5% | #242 of 5,172 ▲ 320 | #14 of 96 ▲ 18 |
| 3-year test score change ranked biggest gain first | +1.8pp | #2,720 of 5,116 | #41 of 96 |
| Enrollment ranked largest first | 338 | #4,397 of 5,915 | #64 of 106 |
| Students per teacher ranked fewest first | 22.5:1 | #2,625 of 5,352 | #61 of 99 |
| Diversity index ranked most diverse first | 55.6% | #2,278 of 5,354 | #69 of 99 |
| Free and reduced lunch ranked highest share first | 14.8% | #5,322 of 5,625 | #73 of 103 |
| Enrollment change since 2017-18 ranked steepest decline first | -14.2% | #2,132 of 3,837 | #43 of 79 |
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
338
-10 (-3%) vs 2020
-12% since 1990-91, when it was 383
Student : Teacher
22.5:1
was 29.0:1
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 | 338 | 15 | 22.5:1 | 15% (50) |
| 2023-24 | 336 | 13.3 | 25.3:1 | 17% (57) |
| 2022-23 | 338 | 13.3 | 25.4:1 | 15% (52) |
| 2020-21 | 348 | 12 | 29.0:1 | 16% (55) |
| 2017-18 | 394 | 15 | 26.3:1 | 13% (53) |
| 2015-16 | 402 | 17 | 23.6:1 | 9% (38) |
| 2010-11 | 347 | N/A | N/A | 12% (40) |
| 2000-01 | 359 | 20 | 17.9:1 | 10% (36) |
| 1990-91 | 383 | 15 | 25.5:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Green Hills Elementary.
Since 2017-18: students down 14% (394 to 338); teachers unchanged (15 to 15).
About Green Hills Elementary
Green Hills Elementary is a small elementary school found in Millbrae, California. It covers kindergarten through 5, with a total enrollment of 338 students. Statewide, elementary schools in California average about 465 students each.
The district, Millbrae Elementary, operates 5 schools serving 2,106 students.
Green Hills Elementary's enrollment is 63% Asian. Enrollment also includes 15% Hispanic, 10% White, and 10% multiracial. Among people living in San Mateo County, the Asian share is about 31%. Green Hills Elementary has a diversity index of 56%, compared with 70% for all US public school students.
Staffing totals 15 full-time-equivalent teachers, and the student-to-teacher ratio is 22.5:1. Elementary schools in California have a similar average ratio of 22.3:1. A measure often used for student poverty, free or reduced-price lunch eligibility, stands at 15%. For comparison, public schools in San Mateo County average 34%.
On BeatsExpectations, Green Hills Elementary is 8.2 points above its prediction, a result in the middle 80% of California schools.
Among San Mateo County residents, median household income is about $158,855, the share of adults with a bachelor's degree or higher is 54%, and about 4% of people live in poverty. Green Hills Elementary is one of 176 public schools in San Mateo County, which together enroll about 82,403 students.
The shortest distance from Green Hills Elementary to another public school is about 0.3 miles, to Capuchino High. A five-mile radius around the school includes at least 8 other public schools. Of the 9 nearby schools with scores, including this one, Green Hills Elementary is 1st on average proficiency.
The school is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more, according to its NCES locale (Suburb: Large).
The number of students declined from 348 to 338 over 4 years. From 2020-21 to 2024-25, the ratio fell from 29.0:1 to 22.5:1.
The discussion area below is open to posts about enrollment questions, class placement, and PTA news. 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 Millbrae Elementary
- Taylor MiddleMiddle · 756 students
- Spring Valley ElementaryElementary · 375 students
- Meadows ElementaryElementary · 360 students
- Lomita Park ElementaryElementary · 277 students
Other schools in Millbrae
- Mills HighHigh · 1,115 students
- Taylor MiddleMiddle · 756 students
- Spring Valley ElementaryElementary · 375 students
- Meadows ElementaryElementary · 360 students
Other Green Hills Elementary schools
One other US public school is named Green Hills Elementary. Green Hills Elementary is the largest of the 2.
- Green Hills Elementary SchoolBledsoe, KY · 147 students
Nearby schools
- Capuchino High0.3 mi · 1,061
- Taylor Middle0.5 mi · 756
- Lomita Park Elementary0.6 mi · 277
- Meadows Elementary0.8 mi · 360
- Parkside Intermediate1.0 mi · 491
- Mills High1.1 mi · 1,115
Frequently asked questions
About Green Hills ElementaryWhat is the total enrollment at Green Hills Elementary?
Green Hills Elementary enrolls approximately 338 students in grades KG-05.
Is Green Hills Elementary an elementary, middle, or high school?
Green Hills Elementary is an elementary school covering grades KG-05.
How many teachers does Green Hills Elementary have?
Green Hills Elementary employs 15 FTE teachers, for a student-to-teacher ratio of 22.5:1.
What is the racial breakdown of students at Green Hills Elementary?
At Green Hills Elementary, the student body is approximately 10% White, 15% Hispanic, 1% Black, 63% Asian, 10% Two or more.
Who oversees Green Hills Elementary?
Green Hills Elementary is overseen by Millbrae Elementary in San Mateo County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.