Average
#6127 of 9,539 schools in CA
Dario Cassina High
High School · Sonora Union High
251 South Barretta St., Sonora, CA 95370
Enrollment
35
Student-Teacher
11.7:1
Score
5.7
Grades
10th – 12th
Enrollment
35
Student-Teacher
11.7:1
Score
5.7
Grades
10th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#6,127 of 9,539
In Sonora
#4 of 8
public schools
In district
#2 of 3
Sonora Union High
School environment
9.8 / 10
Excellent
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Dario Cassina High
High School in Sonora · grades 10th – 12th. Start here, then compare fit against nearby and district options.
Theodore Bird High
0.0 mi away. Use as a geographic alternative in the same move search.
Sonora Elementary
0.5 mi away. Use as a geographic alternative in the same move search.
About Dario Cassina High
Dario Cassina High is a public high school in Sonora, CA, part of Sonora Union High. Dario Cassina High serves approximately 35 students, and covers grades 10th-12th, and has a 11.7:1 student-teacher ratio. Dario Cassina High has a current MySchoolScout rating of 5.7 out of 10 and ranks #6,127 of 9,539 schools in CA.
Structured state assessment records for Dario Cassina High show 11% math proficiency (multi-year average, 2009-2024) and 13% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 5.7 · Average
- District avg 5.7
- CA avg 6.5
What Parents Should Know
At 35 students, Dario Cassina High is on the smaller side. That usually buys more individual attention and teachers who know every kid by name, with the trade-off of fewer electives and extracurriculars than a larger school can staff. Ask what activities it actually offers.
Test scores at Dario Cassina High sit below average, but its growth scores are strong: students here make above-average progress year over year. The raw numbers haven't caught up, but a school that keeps moving kids forward is doing the harder, more important work.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
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Dario Cassina High — Students at Dario Cassina High score 7% proficient, which is below what's typical for similar communities (expected: 34%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
71.4%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 24 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 7.8/10.
How Dario Cassina High Compares
See how Dario Cassina High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Location
251 South Barretta St., Sonora, CA 95370
Nearby Alternatives
Families considering Dario Cassina High may also want to explore other high schools in the area. Sonora High (rated 6.0/10, 0.7 miles away), with a very similar rating. Additionally, Theodore Bird High (rated 5.5/10), with a very similar rating. For more schools in Sonora, see our Sonora schools guide .
Nearby Schools
20 within 6.9 mi| School | Distance | Rating |
|---|---|---|
| Theodore Bird High Sonora | 0.0 mi | 5.5 |
| Sonora Elementary Sonora | 0.5 mi | 5.2 |
| Sonora High Sonora | 0.7 mi | 6.0 |
| Tuolumne County Community/ISP Sonora | 0.7 mi | — |
| Tuolumne County Special Education Sonora | 0.7 mi | 4.3 |
| MOTHER LODE ADVENTIST JR ACADEMY Sonora | 0.7 mi | 5.5 |
| Mother Lode Adventist Junior Academy Sonora | 0.7 mi | — |
| Gold Ridge Educational Center Sonora | 1.1 mi | — |
| Jamestown Elementary Jamestown | 2.8 mi | 4.4 |
| Vance Elementary School Jamestown | 3.2 mi | — |
| Columbia Elementary Columbia | 3.7 mi | 4.2 |
| Safari Learning Academy Sonora | 3.8 mi | — |
| SAFARI LEARNING ACADEMY Sonora | 3.8 mi | 5.4 |
| Sierra Waldorf School Jamestown | 4.0 mi | — |
| SIERRA WALDORF SCHOOL Jamestown | 4.0 mi | 5.1 |
| Curtis Creek Elementary Sonora | 4.1 mi | 4.7 |
| Gold Rush Home Study Charter Sonora | 5.6 mi | 7.8 |
| Soulsbyville Elementary Soulsbyville | 6.2 mi | 5.8 |
| Cornerstone Family Christian School Soulsbyville | 6.3 mi | — |
| Belleview Elementary Sonora | 6.9 mi | 5.8 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 95370 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$72,433
Median Home Value
$416,200
Median Rent
$1,313/mo
Population
28,373
College Educated
24.4%
Homeownership
70.8%
Avg Commute
29.6 min
Poverty Rate
12.2%
Median Age
49.9
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Boys Republic High Chino, CA | 5.7 |
| Milpitas Middle College High Milpitas, CA | 5.7 |
| NORTH VALLEY SCHOOL Santa Rosa, CA | 5.7 |
| Opportunity Program Riverside, CA | 5.7 |
| Palmiter Special Education Sacramento, CA | 5.7 |
| Ripperdan Community Day Madera, CA | 5.7 |
Frequently Asked Questions
Common questions about Dario Cassina High
What grades does Dario Cassina High serve?
Dario Cassina High serves students in grades 10th through 12th.
How many students attend Dario Cassina High?
Dario Cassina High has an enrollment of approximately 35 students.
What is the student-teacher ratio at Dario Cassina High?
The student-teacher ratio at Dario Cassina High is 11.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Dario Cassina High rank in CA?
Dario Cassina High ranks #6,127 of 9,539 schools in CA.
What is Dario Cassina High's MySchoolScout rating?
Dario Cassina High has a current MySchoolScout rating of 5.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Dario Cassina High?
Based on loaded state assessment records, Dario Cassina High has 11% math proficiency (multi-year average, 2009-2024) and 13% reading/ELA proficiency (multi-year average, 2009-2024).
Is Dario Cassina High a charter school?
No, Dario Cassina High is not a charter school. It is a traditional public school operated by the local school district.
Is Dario Cassina High a Title I school?
No, Dario Cassina High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Dario Cassina High?
71.4% of students at Dario Cassina High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 10th – 12th
- Enrollment
- 35
- Student-Teacher Ratio
- 11.7:1
- Teachers (FTE)
- 3
- Free/Reduced Lunch
- 71.4%
- Type
- alternative
- Setting
- Remote Town
- County
- Tuolumne County
- Phone
- (209) 532-1587
- 4-Year Graduation
- 54.5%
Resources & Links
District
Sonora Union High- District Enrollment
- 1,092
- Schools in District
- 3
- Per-Pupil Spending
- $15,423
- District Rank
- #2 of 3
Other Schools in This District
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