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#5039 of 9,539 schools in CA

Castlemont Elementary

Elementary School · Campbell Union · Campbell, CA

A Campbell Union charter elementary school where students score 8 points below what's typical for similar communities.

Charter

3040 East Payne Ave., Campbell, CA 95008

  • Math 36% vs CA 39% (2024)
  • Reading 39% vs CA 45% (2024)
  • 22.1:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress5.8Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data13
Annual Change-1.52 pts/yr
Data Period2009–2024
TrendDeclining
Academics6.0Average30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency35.8% (2024 CAASPP)
Reading/ELA Proficiency38.9% (2024 CAASPP)
Math vs. State Avg-9.9 pts
Reading vs. State Avg-3.9 pts
Overall Proficiency37% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)45% (model expectation from 2024 CAASPP)
vs. Expected-7.7 pts
Adjusted Percentile43th
Resources & Environment7.4Very Good20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio22.1:1
District spending per student$18,944
Chronic Absenteeism24.1%

Students at Castlemont Elementary score 37% proficient, which is below what's typical for similar communities (expected: 45%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency36%(2024 CAASPP)
School
State
39%(2024 CAASPP)
ELA Proficiency39%(2024 CAASPP)
School
State
45%(2024 CAASPP)

Trend

↓ Declining

Proficiency has fallen 21 points since 2018, to 37% in 2024, across a 16-year record (2009–2024).

Show all 13 years
2009
Math
64%
ELA
52%
2010
Math
74%
ELA
59%
2011
Math
72%
ELA
57%
2012
Math
69%
ELA
53%
2013
Math
75%
ELA
75%
2014
Math
46%
ELA
43%
2015
Math
45%
ELA
45%
2016
Math
48%
ELA
47%
2017
Math
51%
ELA
58%
2018
Math
55%
ELA
61%
2019
Math
55%
ELA
61%
2022
Math
44%
ELA
46%
2024
Math
36%
ELA
39%

Multi-year averages used by the rating model: math 53% (multi-year average, 2009-2024) · reading/ELA 51% (multi-year average, 2009-2024)

Based on 32 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

52%

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 Castlemont Elementary sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the San Jose map →

Getting around & local context

  • Walk 70Very Walkable
  • Transit 45Some Transit
  • Bike 74Very Bikeable
  • City Safety: High3,539/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Campbell), 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

$142,841

Median home value

$1,578,800

Median rent

$2,694/mo

College educated

58.9%

Homeownership

48.9%

Poverty rate

5.9%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 95008; this is area context, not an attendance boundary.

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Academy of Mandarin ImmersionPrivate · tuitionNot ratedPK–K0.5 mi1Compare →
RosemaryEnrollment path unverified3.5K–50.6 mi384Compare →
Casa Di Mir Montessori Elementary SchoolPrivate · tuition7.6privatePK–80.7 mi119Compare →
S.a.g.e AcademyPrivate · tuition4.3privateK–120.8 mi31Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

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

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Campbell Union

Schools in district
12
Rank in district
#7 of 12
District spending per student
$18,944NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
7.3%Census SAIPE · 2024

Castlemont Elementary is listed in Campbell Union; a district label does not verify attendance for an address.

About Castlemont Elementary

Castlemont Elementary is a public elementary school in Campbell, CA, part of Campbell Union, serving approximately 419 students in grades Kindergarten-5th with a 22.1:1 student-teacher ratio. It holds a MySchoolScout rating of 6.2 out of 10 and ranks #5,039 of 9,539 schools in CA. State assessment records show 53% math proficiency (multi-year average, 2009-2024) and 51% reading/ELA proficiency (multi-year average, 2009-2024).

Frequently asked questions

Common questions about Castlemont Elementary

What grades does Castlemont Elementary serve?

Castlemont Elementary serves students in grades Kindergarten through 5th.

How many students attend Castlemont Elementary?

Castlemont Elementary has an enrollment of approximately 419 students.

What is the student-teacher ratio at Castlemont Elementary?

The student-teacher ratio at Castlemont Elementary is 22.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Castlemont Elementary rank in CA?

Castlemont Elementary ranks #5,039 of 9,539 schools in CA.

What is Castlemont Elementary's MySchoolScout rating?

Castlemont Elementary has a current MySchoolScout rating of 6.2 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 Castlemont Elementary?

Based on loaded state assessment records, Castlemont Elementary has 53% math proficiency (multi-year average, 2009-2024) and 51% reading/ELA proficiency (multi-year average, 2009-2024).

Is Castlemont Elementary a charter school?

Yes, Castlemont Elementary is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Castlemont Elementary a Title I school?

No, Castlemont Elementary is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Castlemont Elementary?

52.0% of students at Castlemont Elementary 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
Kindergarten – 5th
Enrollment
419
Student-Teacher Ratio
22.1:1
Teachers (FTE)
19
Type
regular
Setting
Large City
County
Santa Clara County
Chronic Absenteeism (SY 2022-23)
24.1%
Area population (ZIP 95008)
48,415
Area average commute
24.4 min
Area median age
39.4
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 95008; this does not measure the attendance area.

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

About our data · How we calculate scores

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