Community prompt from u/allk12. Replies below.
Tamalpais High
- 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.
- DThree-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 high schools
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 331 | 23% |
| Grade 10 | 379 | 26% |
| Grade 11 | 341 | 23% |
| Grade 12 | 419 | 29% |
Test scores
CAASPP 2024-25 . % met or exceeded standardWhat this means: On the CAASPP, California's statewide test, about 71 of every 100 students at this school read and write at grade level and about 53 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 up about 1 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 42.3% | 28.4% | 11.7% | 17.6% |
| Math | 27.3% | 26.1% | 21.2% | 25.5% |
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 70.7% | 53.4% |
| 2023-24 | 77.4% | 55.9% |
| 2022-23 | 78.4% | 60.9% |
| 2021-22 | 78.7% | 59.7% |
| 2020-21 | 76.2% | 62.5% |
| 2018-19 | 71.3% | 53.7% |
| 2017-18 | 77.0% | 56.2% |
| 2016-17 | 79.8% | 57.2% |
| 2015-16 | 66.0% | 49.0% |
| 2014-15 | 71.0% | 52.0% |
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 64% of students here test proficient in math and reading, compared with the roughly 73% 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%.
Schools most like Tamalpais High
Tamalpais High's state test result (64.3% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Tamalpais High this school | 1,470 | 11.8% | 64.3% |
| Redwood High Larkspur | 1,722 | 8.2% | 65.7% |
| Del Oro High Loomis | 1,634 | 12.9% | 66.4% |
| Archie Williams High San Anselmo | 1,141 | 10.3% | 57.0% |
| Ponderosa High Shingle Springs | 1,675 | 17.8% | 60.3% |
| La Costa Canyon High Carlsbad | 1,774 | 18.3% | 58.5% |
Where Tamalpais High ranks
Among high schools| Measure | This school | In California | In Marin County |
|---|---|---|---|
| State test proficiency ranked highest first | 64.3% | #135 of 1,052 | #2 of 8 |
| Math proficiency ranked highest first | 53.4% | #137 of 1,056 ▼ 30 | #3 of 8 ▼ 1 |
| Reading proficiency ranked highest first | 70.7% | #233 of 1,056 ▼ 111 | #2 of 8 ▼ 1 |
| 3-year test score change ranked biggest drop first | -7.2pp | #77 of 1,044 | #3 of 8 |
| Enrollment ranked largest first | 1,470 | #580 of 2,093 | #2 of 15 |
| Students per teacher ranked fewest first | 19.2:1 | #427 of 1,352 | #2 of 7 |
| Diversity index ranked most diverse first | 49.5% | #688 of 1,351 | #5 of 7 |
| Free and reduced lunch ranked highest share first | 11.8% | #1,540 of 1,575 | #7 of 9 |
| Enrollment change since 2017-18 ranked steepest decline first | -7.2% | #551 of 802 | N/A |
4-year change
SY 2020-21 vs SY 2024-25Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,470 | 76.6 | 19.2:1 | 12% (173) |
| 2023-24 | 1,544 | 75.6 | 20.4:1 | 11% (175) |
| 2022-23 | 1,540 | 76.8 | 20.0:1 | 10% (154) |
| 2020-21 | 1,610 | 80 | 20.1:1 | 11% (176) |
| 2017-18 | 1,584 | 81.5 | 19.4:1 | 11% (181) |
| 2015-16 | 1,419 | 68 | 20.9:1 | 9% (122) |
| 2010-11 | 1,162 | N/A | N/A | 9% (103) |
| 2000-01 | 976 | 51 | 19.1:1 | 3% (29) |
| 1990-91 | 838 | 38 | 22.1:1 | N/A |
Since 2017-18: students down 7% (1,584 to 1,470); teachers down 6% (81.5 to 76.6).
About Tamalpais High
Tamalpais High is a high school in Mill Valley, California, according to federal school records. Students in grades 9 through 12 attend the school, which enrolls 1,470 students. The average among high schools in California is roughly 838 students; this school is 75% larger than that.
Tamalpais High is run by Tamalpais Union High, whose 5 schools enroll 4,503 students.
Roughly 69% of students at Tamalpais High are White. Other groups make up 12% Hispanic, 10% multiracial, 5% Asian, and 3% Black. The county population is about 68% White, within a few points of the school. Pick two students at random and there is a 49% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.
The school reported 76.6 full-time-equivalent teachers in 2024-25 and a ratio of 19.2:1. That is 1.0 students per teacher above the 18.2:1 average for high schools in California. Free or reduced-price lunch eligibility is 12%. The average for public schools in Marin County is 35%.
Measured against California public high schools, Tamalpais High 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.
Tamalpais High's actual average proficiency rate on state tests (64.3%) and its predicted rate (72.6%) put it outside the top and bottom 10% of California schools.
According to the American Community Survey, in Marin County, the median household income is $149,091, the share of adults with a bachelor's degree or higher is 61%, and roughly 4% of residents are in poverty. Tamalpais High is one of 75 public schools in the county.
The shortest distance from Tamalpais High to another public school is about 0.4 miles, to Mill Valley Middle. Other public schools within five miles: at least 8. The nearest schools with test data average 76.2%, higher than Tamalpais High's 64.3%.
The school's federal locale classification is Suburb: Large.
The school enrolled 1,470 students in 2024-25, 140 fewer than the 1,610 it had in 2020-21.
Questions about enrollment questions, class placement, and PTA news can be posted here. Questions from prospective families are welcome too.
Marin County at a glance
View full county profileQuick facts
Related schools
- Redwood HighHigh · 1,722 students
- Archie Williams HighHigh · 1,141 students
- Tamiscal High (Alternative)High · 124 students
- San Andreas High (Continuation)High · 46 students
- Mill Valley MiddleMiddle · 721 students
- Edna Maguire ElementaryElementary · 399 students
- Tamalpais Valley ElementaryElementary · 368 students
- Park ElementaryElementary · 301 students
- Old Mill ElementaryElementary · 261 students
- Strawberry Point ElementaryElementary · 259 students
- Mill Valley Middle0.4 mi · 721
- Park Elementary0.9 mi · 301
- Edna Maguire Elementary1.2 mi · 399
- Tamalpais Valley Elementary1.2 mi · 368
- Strawberry Point Elementary1.4 mi · 259
- Dr. Martin Luther King Jr. Academy1.5 mi · 262