Enrollment
315
Elementary
DISTRICT 378 · STATE 465
SCHOOL COMMUNITY·MILLER CREEK ELEMENTARY·NCES 061122001244
Lucas Valley Elementary
1175 Idylberry Dr., San Rafael, CA 94903 · (415) 492-3730 · Marin County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL315 STUDENTS
B+
allk12 Grade
Scored higher than 66% 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.
- CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- B-Three-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
25.2:1
13 FTE teachers
DISTRICT 25.0:1 · STATE 22.3:1
Free / Reduced Lunch
10%
30 students
DISTRICT 19% · 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 | 48 | 15% |
| Grade 1 | 46 | 15% |
| Grade 2 | 52 | 17% |
| Grade 3 | 54 | 17% |
| Grade 4 | 66 | 21% |
| Grade 5 | 49 | 16% |
This year's kindergarten class (48) is about the same size as its 5th grade class (49).
Student demographics
46%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 62% · 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
Lucas Valley Elementary→Miller Creek Middle
Based on grade levels within Miller Creek Elementary. Attendance zones can vary; confirm enrollment with the district.
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
73.0%
CA avg 49.1% . -5.0pp since 2014
Math
68.1%
CA avg 37.7% . -7.9pp since 2014
What this means: On the CAASPP, California's statewide test, about 73 of every 100 students at this school read and write at grade level and about 68 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 5 points since 2014, while math scores are down about 8 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 42.9% | 30.1% | 14.1% | 12.9% |
| Math | 36.2% | 31.9% | 22.1% | 9.8% |
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 | 73.0% | 68.1% |
| 2023-24 | 67.9% | 72.0% |
| 2022-23 | 74.9% | 72.0% |
| 2021-22 | 69.1% | 67.2% |
| 2018-19 | 84.0% | 75.7% |
| 2017-18 | 84.3% | 77.8% |
| 2016-17 | 82.5% | 73.9% |
| 2015-16 | 79.0% | 76.0% |
| 2014-15 | 78.0% | 76.0% |
% 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
70.2%
composite math + reading, all grades
Predicted
74.0%
based on CA schools with similar FRL share
Beats by
-3.8pp
below demographic expectation
What this means: About 70% of students here test proficient in math and reading, compared with the roughly 74% 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 Lucas Valley Elementary
Lucas Valley Elementary's state test result (70.2% proficient) is higher than 1 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Lucas Valley Elementary this school | 315 | 9.5% | 70.2% |
| Bel Aire Elementary Tiburon | 322 | 8.1% | 75.4% |
| Harbor View Elementary Corona Del Mar | 344 | 12.2% | 77.8% |
| R. Roger Rowe Elementary Rancho Santa Fe | 316 | 5.4% | 86.5% |
| Roy O. Andersen Elementary Newport Beach | 353 | 9.3% | 81.3% |
| Mission Estancia Elementary Carlsbad | 355 | 12.7% | 70.1% |
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 Lucas Valley Elementary ranks
Among elementary schools| Measure | This school | In California | In Marin County |
|---|---|---|---|
| State test proficiency ranked highest first | 70.2% | #643 of 5,151 | #16 of 34 |
| Math proficiency ranked highest first | 68.1% | #683 of 5,172 ▼ 167 | #16 of 35 ▼ 5 |
| Reading proficiency ranked highest first | 73.0% | #594 of 5,172 ▲ 228 | #15 of 35 ▲ 1 |
| 3-year test score change ranked biggest gain first | +2.4pp | #2,498 of 5,116 | #18 of 35 |
| Enrollment ranked largest first | 315 | #4,636 of 5,915 | #22 of 44 |
| Students per teacher ranked fewest first | 25.2:1 | #4,525 of 5,352 | #34 of 35 |
| Diversity index ranked most diverse first | 46.5% | #3,030 of 5,354 | #22 of 35 |
| Free and reduced lunch ranked highest share first | 9.5% | #5,488 of 5,625 | #26 of 37 |
| Enrollment change since 2017-18 ranked steepest decline first | -22.4% | #1,141 of 3,837 | #10 of 26 |
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
315
-21 (-6%) vs 2020
-24% since 1990-91, when it was 415
Student : Teacher
25.2:1
was 22.4:1
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 | 315 | 12.5 | 25.2:1 | 10% (30) |
| 2023-24 | 364 | 15 | 24.3:1 | 7% (24) |
| 2022-23 | 354 | 15 | 23.6:1 | 5% (19) |
| 2020-21 | 336 | 15 | 22.4:1 | 4% (13) |
| 2017-18 | 406 | 17.2 | 23.7:1 | 7% (30) |
| 2015-16 | 397 | 18 | 22.1:1 | 3% (11) |
| 2010-11 | 370 | N/A | N/A | 4% (15) |
| 2000-01 | 421 | 22 | 19.1:1 | 1% (5) |
| 1990-91 | 415 | 18 | 23.1:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Lucas Valley Elementary.
Since 2017-18: students down 22% (406 to 315); teachers down 27% (17.2 to 12.5).
About Lucas Valley Elementary
Lucas Valley Elementary is a small elementary school in California, with an address in San Rafael. It had 315 students in 2024-25, spanning kindergarten through 5. That compares with an average of about 465 students for elementary schools in California.
Lucas Valley Elementary is one of the 4 schools that make up Miller Creek Elementary (1,755 students in total).
Of every 100 students at Lucas Valley Elementary, about 71 are White. After that, the student body is 9% Hispanic, 9% multiracial, and 9% Asian. Among Marin County residents, the White share is about 68%. The diversity index for Lucas Valley Elementary is 46%. For US public schools as a whole it is 70%.
The student-to-teacher ratio at Lucas Valley Elementary is 25.2:1, based on 12.5 full-time-equivalent teachers. Statewide, elementary schools in California average 22.3:1. Lunch program data show 10% of students are eligible for free or reduced-price meals. Public schools in Marin County average 35%.
Lucas Valley Elementary holds a B+ allk12 Grade, placing it above 66% of California public elementary schools.
Schools in California with a similar free or reduced-price lunch share are predicted to score about 74.0%. Lucas Valley Elementary scores 70.2%.
Looking at the county, Marin County, median household income comes to about $149,091, a bachelor's degree or higher is held by about 61% of adults, and the poverty rate is about 4%. The county has 75 public schools and about 29,867 students.
Among nearby public schools, Marin County Juvenile Court is closest at about 0.4 miles. In all, at least 8 other public schools sit within five miles of Lucas Valley Elementary. Of the 5 nearby schools with scores, including this one, Lucas Valley Elementary is 2nd on average proficiency.
On the NCES locale scale, the school is Suburb: Large.
Enrollment figures show a decline of 21 students from 2020-21 to 2024-25. By 2024-25, the school had 25.2 students per teacher, compared with 22.4 in 2020-21.
The discussion board for Lucas Valley Elementary is open to topics like special education services, counseling, and support programs. Teachers and staff are welcome to share updates too.
Marin County at a glance
View full county profilePopulation
257,969
Census ACS
Median income
$149,091
Household, ACS
Bachelor's+
61%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
75
29,867 students
Quick facts
Related schools
Other schools in Miller Creek Elementary
- Miller Creek MiddleMiddle · 620 students
- Mary E. Silveira ElementaryElementary · 412 students
- Vallecito ElementaryElementary · 408 students
Other schools in San Rafael
- San Rafael HighHigh · 1,332 students
- Terra Linda HighHigh · 1,248 students
- James B. Davidson MiddleMiddle · 1,052 students
- Venetia Valley K-8Elementary · 748 students
- Miller Creek MiddleMiddle · 620 students
- Bahia Vista ElementaryElementary · 552 students
Nearby schools
- Marin County Juvenile Court0.4 mi · 3
- Miller Creek Middle1.5 mi · 620
- Hidden Valley Elementary1.6 mi · 274
- Phoenix Academy1.7 mi · 3
- Marin's Community1.7 mi · 64
- Marin County Special Education1.7 mi · 215
Frequently asked questions
About Lucas Valley ElementaryHow many students attend Lucas Valley Elementary?
Lucas Valley Elementary enrolls approximately 315 students in grades KG-05.
What age range does Lucas Valley Elementary serve?
Lucas Valley Elementary serves students from grade KG through grade 05.
How many teachers does Lucas Valley Elementary have?
Lucas Valley Elementary employs 13 FTE teachers, for a student-to-teacher ratio of 25.2:1.
What is the student diversity at Lucas Valley Elementary?
Student demographics at Lucas Valley Elementary are roughly 71% White, 9% Hispanic, 1% Black, 9% Asian, 9% Two or more.
Is Lucas Valley Elementary public or private?
Lucas Valley Elementary is a public K-12 school, overseen by Miller Creek Elementary.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.