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#5391 of 9,533 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

6.1

Grades

10th – 12th

Updated 2022-23

How this school compares

In Sonora

#2 of 8

public schools

California high schools

#1,150 of 1,892

In district

#1 of 3

Sonora Union High

School environment

9.7 / 10

Exceptional

About Dario Cassina High

Dario Cassina High is an alternative high school located in Sonora, California, in the heart of Tuolumne County. Situated at 251 South Barretta St., this small but dedicated institution serves students from grades 10 through 12 with a student body of just 35 pupils and three full-time equivalent teachers. The student-teacher ratio is 11.7:1, providing a personalized learning environment that supports individual needs.

Dario Cassina High focuses on an alternative educational approach for its small community of students, offering a tailored setting for those seeking a different path from traditional high school environments. While the academic performance metrics indicate room for growth—with a MySchoolScout Rating of 3.5 out of 10 and state ranking at #7880 out of 9566 schools in California—this institution is committed to student development outside of standard benchmarks, particularly emphasizing ELA/Reading proficiency at 12% and math proficiency at 5%. Nestled in a remote town setting, Dario Cassina High plays an important role within its local community by providing flexible learning opportunities for students who thrive in alternative educational settings.

What Parents Should Know

With an enrollment of 35 students, Dario Cassina High is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.

While current test scores at Dario Cassina High are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress7.0Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-0.59 pts/yr
Data Period2019–2024
TrendStable
Academics1.8Significantly Below Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency0%
Reading/ELA Proficiency14.3%
Math vs. State Avg-28 pts
Reading vs. State Avg-41.6 pts
Overall Proficiency7%
Expected (poverty-adj.)34%
vs. Expected-27.1 pts
Adjusted Percentile3th
College Readiness6.5Above Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
IB ProgramNo
Resources & Environment9.7Exceptional20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio11.7:1
Per-Pupil Spending$14,368

Dario Cassina High — Students at Dario Cassina High score 7% proficient, which is below what's typical for similar communities (expected: 34%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

71.4%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 5.0%
School
State
31.8%
ELA Proficiency 12.1%
School
State
51.5%

Based on 8 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
10%
ELA
10%
2021*
Math
10%
ELA
10%
2024
ELA
14.3%

* 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: 7.0/10.

How Dario Cassina High Compares

See how Dario Cassina High performs across key quality dimensions compared to state benchmarks.

Overall Score
6.1/10
44th percentile in CA
Academic
1.8/10
1.8/10
Growth
7.0/10
Above average
Environment
9.7/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
71%
Teaching Staff
12:1 student-teacher ratio
3 teachers

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 4.1/10, 0.7 miles away), a more accessible option. Additionally, Theodore Bird High (rated 3.2/10), a more accessible option. 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 3.2
Sonora Elementary Sonora 0.5 mi 4.7
Sonora High Sonora 0.7 mi 4.1
Tuolumne County Community/ISP Sonora 0.7 mi
Tuolumne County Special Education Sonora 0.7 mi 5.9
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 7.2
Vance Elementary School Jamestown 3.2 mi
Columbia Elementary Columbia 3.7 mi 7.2
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 3.7
Gold Rush Home Study Charter Sonora 5.6 mi 5.9
Soulsbyville Elementary Soulsbyville 6.2 mi 8.2
Cornerstone Family Christian School Soulsbyville 6.3 mi
Belleview Elementary Sonora 6.9 mi 9.3

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

Community Profile

The community surrounding Dario Cassina High has a median household income of $72,433. It is a community where 24% of adults hold a bachelor's degree or higher. The median home value in the area is $416,200, with a median rent of $1,313/month. The area has a poverty rate of 12.2%. The average commute for residents is 30 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Evergreen High Oakhurst, CA 6.1
ORION ACADEMY Moraga, CA 6.1
SCY HIGH (SOUTHERN CALIFORNIA YESHIVA HIGH SCHOOL) San Diego, CA 6.1
Herlong High Herlong, CA 6.0
Valley High (Continuation) Dublin, CA 6.0
HIGH BLUFF ACADEMY Rancho Santa Fe, CA 6.2

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 is ranked #5391 out of 9,533 schools in CA.

What is Dario Cassina High's MySchoolScout rating?

Dario Cassina High has a composite rating of 6.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Dario Cassina High?

Based on the most recent state assessment data, Dario Cassina High has 5.0% math proficiency and 12.1% reading/ELA proficiency.

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.

11 schools nearby View map →

Neighborhood Context

City Safety
High (3,027/100K)

FBI UCR 2024. City-level (Sonora). Data >1 year old.

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
Data Year
2023–2024

District

Sonora Union High
District Enrollment
1,092
Schools in District
3
Per-Pupil Spending
$15,423
District Rank
#1 of 3

Other Schools in This District

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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