Skip to main content

Excellent

#515 of 9,539 schools in CA

Top 5% in state

William & Marian Ghidotti High

High School · Nevada Joint Union High · Grass Valley, CA

A Nevada Joint Union High high school where students score 31 points above what's typical for similar communities.

250 Sierra College Dr., Grass Valley, CA 95945

  • Math 82% vs CA 32% (2024)
  • Reading 100% vs CA 52% (2024)
  • 90%+ 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress8.8Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data11
Annual Change-0.42 pts/yr
Data Period2009–2024
TrendStable
Academics10.0Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency82.3% (2024 CAASPP)
Reading/ELA Proficiency100% (2024 CAASPP)
Math vs. State Avg+54.3 pts
Reading vs. State Avg+44.1 pts
Overall Proficiency91% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)60% (model expectation from 2024 CAASPP)
vs. Expected+31.4 pts
Adjusted Percentile99th
College Readiness9.7Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate90%+
IB ProgramNo
Resources & Environment6.0Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio25.7:1
District spending per student$19,126
Chronic Absenteeism15.6%

Students at William & Marian Ghidotti High score 91% proficient, which is above what's typical for similar communities (expected: 60%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency82%(2024 CAASPP)
School
State
32%(2024 CAASPP)
ELA Proficiency100%(2024 CAASPP)
School
State
52%(2024 CAASPP)

Trend

→ Steady

Proficiency has held near 91% across the 16-year record (2009–2024).

Show all 11 years
2009
Math
95%
ELA
95%
2010
Math
95%
ELA
95%
2011
Math
95%
ELA
95%
2015
Math
95%
ELA
95%
2016
Math
95%
ELA
95%
2017
Math
95%
ELA
95%
2018
Math
85%
ELA
95%
2019
Math
85%
ELA
95%
2020*
ELA
90%
2021*
ELA
90%
2024
Math
82%
ELA
100%

Multi-year averages used by the rating model: math 90% (multi-year average, 2009-2024) · reading/ELA 95% (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 22 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

26%

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 William & Marian Ghidotti 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 26Car-Dependent
  • Bike 33Somewhat Bikeable
  • City Safety: High2,743/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Grass Valley), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

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

Median income

$61,068

Median home value

$496,600

Median rent

$1,420/mo

College educated

32.4%

Homeownership

56.4%

Poverty rate

14.1%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 95945; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Advanced STEM Courses2of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Bitney Prep HighCharter · enrollment unverified7.49–120.3 mi91Compare →
Nevada Union HighEnrollment path unverified5.09–120.5 mi1,457Compare →
North Point AcademyEnrollment path unverified6.59–120.6 mi130Compare →
Earle Jamieson Educational OptionsEnrollment path unverifiedNot rated6–121.2 mi3Compare →

Distance is proximity only; it is not attendance eligibility.

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

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

Nevada Joint Union High

Schools in district
5
Rank in district
#1 of 5
District spending per student
$19,126NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
12.4%Census SAIPE · 2024

William & Marian Ghidotti High is listed in Nevada Joint Union High; a district label does not verify attendance for an address.

About William & Marian Ghidotti High

William & Marian Ghidotti High is a public high school in Grass Valley, CA, part of Nevada Joint Union High, serving approximately 154 students in grades 9th-12th with a 25.7:1 student-teacher ratio. It holds a MySchoolScout rating of 8.8 out of 10 and ranks #515 of 9,539 schools in CA. State assessment records show 90% math proficiency (multi-year average, 2009-2024) and 95% reading/ELA proficiency (multi-year average, 2009-2024).

Frequently asked questions

Common questions about William & Marian Ghidotti High

What grades does William & Marian Ghidotti High serve?

William & Marian Ghidotti High serves students in grades 9th through 12th.

How many students attend William & Marian Ghidotti High?

William & Marian Ghidotti High has an enrollment of approximately 154 students.

What is the student-teacher ratio at William & Marian Ghidotti High?

The student-teacher ratio at William & Marian Ghidotti High is 25.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does William & Marian Ghidotti High rank in CA?

William & Marian Ghidotti High ranks #515 of 9,539 schools in CA.

What is William & Marian Ghidotti High's MySchoolScout rating?

William & Marian Ghidotti High has a current MySchoolScout rating of 8.8 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 William & Marian Ghidotti High?

Based on loaded state assessment records, William & Marian Ghidotti High has 90% math proficiency (multi-year average, 2009-2024) and 95% reading/ELA proficiency (multi-year average, 2009-2024).

Is William & Marian Ghidotti High a charter school?

No, William & Marian Ghidotti High is not a charter school. It is a traditional public school operated by the local school district.

Is William & Marian Ghidotti High a Title I school?

No, William & Marian Ghidotti High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for William & Marian Ghidotti High?

26.0% of students at William & Marian Ghidotti 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
154
Student-Teacher Ratio
25.7:1
Teachers (FTE)
6
Type
alternative
Setting
Distant Town
County
Nevada County
Chronic Absenteeism (SY 2022-23)
15.6%
4-Year Graduation
90%+
Area population (ZIP 95945)
27,675
Area average commute
20.1 min
Area median age
49.4
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 95945; 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.