Skip to main content

Average

#7041 of 9,539 schools in CA

Tioga High

High School · Big Oak Flat-groveland Unified · Groveland, CA

A Big Oak Flat-groveland Unified high school where students score 33 points below what's typical for similar communities.

19304 Ferretti Rd., Groveland, CA 95321

  • Math 6% vs CA 32% (2024)
  • Reading 31% vs CA 52% (2024)
  • 80%+ 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress3.5Needs Improvement25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-2.21 pts/yr
Data Period2009–2024
TrendDeclining
Academics2.8Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency6.2% (2024 CAASPP)
Reading/ELA Proficiency31.2% (2024 CAASPP)
Math vs. State Avg-21.8 pts
Reading vs. State Avg-24.6 pts
Overall Proficiency19% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)52% (model expectation from 2024 CAASPP)
vs. Expected-33.3 pts
Adjusted Percentile10th
College Readiness5.7Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate80%+
AP Participation15.1%
IB ProgramNo
Resources & Environment9.7Excellent20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio7.6:1
District spending per student$26,877
Chronic Absenteeism56.6%

Students at Tioga High score 19% proficient, which is below what's typical for similar communities (expected: 52%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency6%(2024 CAASPP)
School
State
32%(2024 CAASPP)
ELA Proficiency31%(2024 CAASPP)
School
State
52%(2024 CAASPP)

Trend

↓ Declining

Proficiency has fallen 31 points since 2019, to 19% in 2024, across a 16-year record (2009–2024).

Show all 14 years
2009
Math
25%
ELA
75%
2010
Math
50%
ELA
70%
2011
Math
70%
ELA
70%
2012
Math
30%
ELA
75%
2013
Math
25%
ELA
25%
2014
Math
25%
ELA
25%
2015
Math
25%
ELA
25%
2016
Math
25%
ELA
25%
2017
Math
25%
ELA
25%
2018
Math
25%
ELA
75%
2019
Math
25%
ELA
75%
2020*
Math
25%
ELA
25%
2021*
Math
25%
ELA
25%
2024
Math
6%
ELA
31%

Multi-year averages used by the rating model: math 27% (multi-year average, 2009-2024) · reading/ELA 45% (multi-year average, 2009-2024)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 30 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

39.6%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Tioga High sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 4Car-Dependent
  • Bike 1Somewhat Bikeable
  • County Safety: Elevated1,072/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details

Source period: 2024. A newer release may be available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$69,679

Median home value

$377,100

Median rent

$1,463/mo

College educated

30.6%

Homeownership

87.1%

Poverty rate

10.5%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 95321; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Athletics2sports offered
1 boys'·1 girls'·2 teams (incl. JV)·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses3of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

1 in Big Oak Flat-Groveland Unified

SchoolScoreGradesDistanceEnrollmentCompare
Don Pedro HighEnrollment path unverified6.69–12Not available34Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Big Oak Flat-groveland Unified

Schools in district
3
Rank in district
#2 of 3
District spending per student
$26,877NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
12.0%Census SAIPE · 2024

Tioga High is listed in Big Oak Flat-Groveland Unified; a district label does not verify attendance for an address.

About Tioga High

Tioga High is a public high school in Groveland, CA, part of Big Oak Flat-groveland Unified, serving approximately 53 students in grades 9th-12th with a 7.6:1 student-teacher ratio. It holds a MySchoolScout rating of 5.2 out of 10 and ranks #7,041 of 9,539 schools in CA. State assessment records show 27% math proficiency (multi-year average, 2009-2024) and 45% reading/ELA proficiency (multi-year average, 2009-2024).

Frequently asked questions

Common questions about Tioga High

What grades does Tioga High serve?

Tioga High serves students in grades 9th through 12th.

How many students attend Tioga High?

Tioga High has an enrollment of approximately 53 students.

What is the student-teacher ratio at Tioga High?

The student-teacher ratio at Tioga High is 7.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Tioga High rank in CA?

Tioga High ranks #7,041 of 9,539 schools in CA.

What is Tioga High's MySchoolScout rating?

Tioga High has a current MySchoolScout rating of 5.2 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 Tioga High?

Based on loaded state assessment records, Tioga High has 27% math proficiency (multi-year average, 2009-2024) and 45% reading/ELA proficiency (multi-year average, 2009-2024).

Is Tioga High a charter school?

No, Tioga High is not a charter school. It is a traditional public school operated by the local school district.

Is Tioga High a Title I school?

No, Tioga High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Tioga High?

39.6% of students at Tioga 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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
9th – 12th
Enrollment
53
Student-Teacher Ratio
7.6:1
Teachers (FTE)
7
Type
regular
Setting
Distant Rural
County
Tuolumne County
Chronic Absenteeism (SY 2022-23)
56.6%
4-Year Graduation
80%+
Area population (ZIP 95321)
3,870
Area median age
57
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 95321; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24

About our data · How we calculate scores

Related reading

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.