Elementary school (grades K-5) · Sonoma, CA

Sassarini Elementary

Federal NCES profile for Sassarini Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 19/100.

2024-25 NCES dataElementary school (grades K-5)NCES 063720006303
0/100100/10019/100
👥 S:T ratio
14
🌟 Gifted program
30
📋 Attendance
14
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Sassarini Elementary earns 19/100 on the Resource Investment Index, with class sizes near the California median.

#2 of 6
elementary schools in Sonoma · Resource Index
19
Resource Index · Lower
21.6:1
students per teacher
55.4%
free-lunch eligible

Sassarini Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.

By Resource Investment Index, Sassarini Elementary ranks #2 of 6 elementary schools in Sonoma, CA.

School address

CCD year-over-year · 2022-23 → 2023-24

+33 students YoY

Sassarini Elementary grew from 251 students in 2022-23 to 284 in 2023-24 (+13.1%).

Teacher FTE added 13.0 → 14.0 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Growing CCD campus

+33 students YoY 063720006303 · Sonoma, CA Elementary · SMALL · TRAD

281 enr · 21.6:1 · 55.4% lunch · RII 19

Nearest enrollment peer: Sonoma Valley High (1,071 students)

Sassarini Elementary grew from 251 students in 2022-23 to 284 in 2023-24 (+13.1%). Teacher FTE added 13.0 → 14.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →

Sassarini Elementary in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Sassarini Elementary reports 281 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Sassarini Elementary compares

Sassarini Elementary is a growing 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 21.6:1 ▲ 0% 21.5:1 15.7:1
Free-lunch eligible 55.4% ▼ 0% 55.5% 51.7%
Enrollment 281 top 76% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

21.6:1
Leaner classes than 11% of US schools, heavier class loads than most.
281
Bigger than 30% of US schools by enrollment, mid-sized for the country.

Equity indicators methodology

Economic need
55.4%
free-lunch eligible - 0% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
21.6:1
students per teacher - 0% above state mean
Top 49% in California - lower ratio than 51% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
34.2%
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
$23,762
per pupil, district-wide - above California avg of $18,665
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
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: 0.4 per 100 students. Reported via the Civil Rights Data Collection.

Student demographics

Hispanic or Latino 72.2%
White 21.7%
Asian 3.2%
African American 1.4%
Two or More 1.4%

Largest group: Hispanic or Latino at 72.2% of enrollment.

Student-body diversity index 43.0/100

Simpson diversity index - at 43.0, Sassarini Elementary is less mixed than the California school average of 46.0.

Programs

District finance for Sonoma Valley Unified reports $23,762 per pupil (NCES F-33) - open the district page for the full revenue mix.

How Sassarini Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Sonoma Valley High Larger Lower economic need Similar S:T ratio
Flowery Elementary Larger Lower economic need Higher S:T ratio
Adele Harrison Middle Similar size Lower economic need Lower S:T ratio
Altimira Middle Similar size Similar economic need Lower S:T ratio
El Verano Elementary Similar size Similar economic need Higher S:T ratio

Comparisons are relative to Sassarini Elementary's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Sonoma Valley Unified · 5 sibling schools

View district profile

Similar elementary schools in Sonoma

5 comparable elementary schools (grades K-5) serving the same city.

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.

Frequently asked questions about Sassarini Elementary

How many students attend Sassarini Elementary?

Sassarini Elementary has 281 students enrolled. It is an elementary school in Sonoma, CA. CCD year-over-year: 251 (2022-23) → 284 (2023-24), up 33.

What is the student-teacher ratio at Sassarini Elementary?

The student-teacher ratio at Sassarini Elementary is 21.6:1, which is 0% higher than the California average of 21.5:1 and 38% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Sassarini Elementary?

55.4% of students at Sassarini Elementary are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Sassarini Elementary?

The largest demographic group at Sassarini Elementary is Hispanic or Latino at 72.2% of enrollment, in Sonoma, CA.

What is the Resource Investment Index for Sassarini Elementary?

Sassarini Elementary has a Resource Investment Index of 19/100 (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 Sassarini Elementary rank among elementary schools in Sonoma?

By Resource Investment Index, Sassarini Elementary ranks #2 of 6 elementary schools in Sonoma, 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 Sonoma on the city page.

What other schools are in Sonoma Valley Unified?

Besides Sassarini Elementary, Sonoma Valley Unified also operates Sonoma Valley High (1,071 students), Flowery Elementary (368 students), and Adele Harrison Middle (334 students). See the Sonoma Valley Unified district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

View saved