- Enrollment
- 1,700
- Students per teacher
- 21:1
- Resource Index
- 38/100
Elementary school (grades K-5) · Santa Rosa, CA
Mattie Washburn Elementary
Federal NCES profile for Mattie Washburn Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060003401797
👥 S:T ratio 21
🌟 Gifted program 30
📋 Attendance 35
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mattie Washburn Elementary earns 28/100 on the Resource Investment Index, with class sizes near the California median.
- #24 of 45
- elementary schools in Santa Rosa · Resource Index
- 28
- Resource Index · Lower
- 19.8:1
- students per teacher
- 39.5%
- free-lunch eligible
Mattie Washburn Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mattie Washburn Elementary ranks #24 of 45 elementary schools in Santa Rosa, CA.
School address
District: Windsor Unified · California
NCES ID 060003401797 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-35 students YoY
Mattie Washburn Elementary shrank from 514 students in 2022-23 to 479 in 2023-24 (-6.8%).
Teacher FTE added 27.0 → 30.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-35 students YoY 060003401797 · Santa Rosa, CA Elementary · MID · TRAD
535 enr · 19.8:1 · 39.5% lunch · RII 28
Nearest enrollment peer: Windsor High (1,700 students)
Mattie Washburn Elementary shrank from 514 students in 2022-23 to 479 in 2023-24 (-6.8%). Teacher FTE added 27.0 → 30.9 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Mattie Washburn Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Windsor High
Windsor High
1,700 students
- Cali Calmecac
Cali Calmecac Language Academy
1,075 students
- Windsor Middle
Windsor Middle
736 students
- This school 535
Mattie Washburn Elementary
535 students
- Brooks Element 493
Brooks Elementary
493 students
- Bridges Commun 52
Bridges Community Based School North County Consortium
52 students
What this shows Mattie Washburn Elementary reports 535 students on the CCD universe file.
How Mattie Washburn Elementary compares
Mattie Washburn Elementary is a shrinking campus on CCD: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.8:1 | ▼ 8% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 39.5% | ▼ 29% | 55.5% | 51.7% |
| Enrollment | 535 | top 40% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.8:1
Leaner classes than 17% of US schools, heavier class loads than most.
535
Bigger than 66% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
39.5%
free-lunch eligible
- 29% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
19.8:1
students per teacher
- 8% below state mean
Top 33% in California - lower ratio than 67% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
26.2%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$15,579
per pupil, district-wide
- below California avg of $18,665
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 50.1%
White 37.6%
Two or More 7.9%
Asian 2.1%
American Indian / Alaska Native 1.1%
Native Hawaiian / Pacific Islander 0.9%
African American 0.4%
Largest group: Hispanic or Latino at 50.1% of enrollment.
Student-body diversity index 60.1/100
Simpson diversity index - at 60.1, Mattie Washburn Elementary is more mixed than the California school average of 46.0.
Programs
District finance for Windsor Unified reports $15,579 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mattie Washburn Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Windsor High | Larger | Similar economic need | Similar S:T ratio |
| Cali Calmecac Language Academy | Larger | Similar economic need | Similar S:T ratio |
| Windsor Middle | Larger | Similar economic need | Similar S:T ratio |
| Brooks Elementary | Similar size | Similar economic need | Higher S:T ratio |
| Bridges Community Based School North County Consortium | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Mattie Washburn Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,075
- Students per teacher
- 20.7:1
- Resource Index
- 22/100
- Enrollment
- 736
- Students per teacher
- 19.9:1
- Resource Index
- 44/100
- Enrollment
- 493
- Students per teacher
- 24.6:1
- Resource Index
- 26/100
- Enrollment
- 52
- Students per teacher
- 8.7:1
- Resource Index
- 48/100
Similar elementary schools in Santa Rosa
6 comparable elementary schools (grades K-5) serving the same city.
Cesar Chavez Language Academy
Standard public school
773 students 18.9:1 students per teacher
Oak Grove Elementary/Willowside Middle
Standard public school
708 students 21.5:1 students per teacher
Sheppard Elementary
Standard public school
577 students 24:1 students per teacher
Roseland Creek Elementary
Standard public school
534 students 24.3:1 students per teacher
Santa Rosa French-American Charter (Srfacs)
Standard public school
525 students 23.9:1 students per teacher
Yulupa Elementary
Standard public school
523 students 19.4:1 students per teacher
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~535 students)
Frequently asked questions about Mattie Washburn Elementary
How many students attend Mattie Washburn Elementary?
Mattie Washburn Elementary has 535 students enrolled. It is an elementary school in Santa Rosa, CA. CCD year-over-year: 514 (2022-23) → 479 (2023-24), down 35.
What is the student-teacher ratio at Mattie Washburn Elementary?
The student-teacher ratio at Mattie Washburn Elementary is 19.8:1, which is 8% lower than the California average of 21.5:1 and 26% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Mattie Washburn Elementary?
39.5% of students at Mattie Washburn Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Mattie Washburn Elementary?
The largest demographic group at Mattie Washburn Elementary is Hispanic or Latino at 50.1% of enrollment, in Santa Rosa, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.1/100.
What is the Resource Investment Index for Mattie Washburn Elementary?
Mattie Washburn Elementary has a Resource Investment Index of 28/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mattie Washburn Elementary rank among elementary schools in Santa Rosa?
By Resource Investment Index, Mattie Washburn Elementary ranks #24 of 45 elementary schools in Santa Rosa, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Santa Rosa on the city page.
What other schools are in Windsor Unified?
Besides Mattie Washburn Elementary, Windsor Unified also operates Windsor High (1,700 students), Cali Calmecac Language Academy (1,075 students), and Windsor Middle (736 students). See the Windsor Unified district page for the complete list.