- Enrollment
- 880
- Students per teacher
- 23.2:1
- Resource Index
- 30/100
High school (grades 9-12) · Sonora, CA
Dario Cassina High
Federal NCES profile for Dario Cassina High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063726006307
👥 S:T ratio 41
🌟 Gifted program 30
🎓 Counselors 91
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Dario Cassina High earns 54/100 on the Resource Investment Index, with class sizes smaller than 90% of California schools.
- #1 of 3
- high schools in Sonora · Resource Index
- 54
- Resource Index · Higher
- 14.7:1
- small classes for California
- 57.8%
- free-lunch eligible
Dario Cassina High has class sizes smaller than 90% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Dario Cassina High ranks #1 of 3 high schools in Sonora, CA.
School address
District: Sonora Union High · California
NCES ID 063726006307 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-29 students YoY
Dario Cassina High shrank from 64 students in 2022-23 to 35 in 2023-24 (-45.3%).
Teacher FTE held 3.5 → 3.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-29 students YoY 063726006307 · Sonora, CA High · SMALL · TRAD
44 enr · 14.7:1 · 57.8% lunch · RII 54
Nearest enrollment peer: Sonora High (880 students)
Dario Cassina High shrank from 64 students in 2022-23 to 35 in 2023-24 (-45.3%). Teacher FTE held 3.5 → 3.7 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Dario Cassina High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Sonora High
Sonora High
880 students
- Theodore Bird 65
Theodore Bird High
65 students
- This school 44
Dario Cassina High
44 students
What this shows Dario Cassina High reports 44 students on the CCD universe file.
How Dario Cassina High compares
Dario Cassina High 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 | 14.7:1 | ▼ 32% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 57.8% | ▲ 4% | 55.5% | 51.7% |
| Enrollment | 44 | top 94% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.7:1
Leaner classes than 50% of US schools, a middle-of-the-pack class size.
44
Bigger than 5% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
57.8%
free-lunch eligible
- 4% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
14.7:1
students per teacher
- 32% below state mean
Top 10% in California - lower ratio than 90% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Funding equity
$15,423
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
Counselors1.0 FTE
Per 44 students, the combined health-and-guidance staffing load for this school.
Discipline context
5
in-school suspensions + 18 out-of-school
Suspension rate: 11.4 per 100 students. Combined in-school and out-of-school rate: 52.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
White 69.8%
Hispanic or Latino 20.9%
Two or More 9.3%
Largest group: White at 69.8% of enrollment.
Student-body diversity index 46.0/100
Simpson diversity index - at 46.0, Dario Cassina High is about as mixed as the California school average of 46.0.
Programs
AP program Not offered
District finance for Sonora Union High reports $15,423 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Dario Cassina High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sonora High | Larger | Lower economic need | Higher S:T ratio |
| Theodore Bird High | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Dario Cassina High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 65
- Students per teacher
- 21.7:1
- Resource Index
- 22/100
Similar high schools in Sonora
2 comparable high schools (grades 9-12) serving the same city.
Nationwide high 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 (~44 students)
Frequently asked questions about Dario Cassina High
How many students attend Dario Cassina High?
Dario Cassina High has 44 students enrolled. It is a high school in Sonora, CA. CCD year-over-year: 64 (2022-23) → 35 (2023-24), down 29.
What is the student-teacher ratio at Dario Cassina High?
The student-teacher ratio at Dario Cassina High is 14.7:1, which is 32% lower than the California average of 21.5:1 and 6% lower 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 Dario Cassina High?
57.8% of students at Dario Cassina High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Dario Cassina High?
The largest demographic group at Dario Cassina High is White at 69.8% of enrollment, in Sonora, CA.
What is the Resource Investment Index for Dario Cassina High?
Dario Cassina High has a Resource Investment Index of 54/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Dario Cassina High rank among high schools in Sonora?
By Resource Investment Index, Dario Cassina High ranks #1 of 3 high schools in Sonora, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Sonora on the city page.
What other schools are in Sonora Union High?
Besides Dario Cassina High, Sonora Union High also operates Sonora High (880 students) and Theodore Bird High (65 students). See the Sonora Union High district page for the complete list.