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#5934 of 9,539 schools in CA

Altimira Middle

Middle School · Sonoma Valley Unified · Sonoma, CA

A Sonoma Valley Unified middle school where students score 18 points below what's typical for similar communities.

17805 Arnold Dr., Sonoma, CA 95476

  • Math 8% vs CA 34% (2024)
  • Reading 29% vs CA 47% (2024)
  • 16.7:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress5.8Average40%
Year-over-year improvement in student test scores.
View breakdown
Years of Data12
Annual Change-1.52 pts/yr
Data Period2009–2024
TrendDeclining
Academics3.1Needs Improvement35%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency8.1% (2024 CAASPP)
Reading/ELA Proficiency28.4% (2024 CAASPP)
Math vs. State Avg-26.3 pts
Reading vs. State Avg-17.5 pts
Overall Proficiency18% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)36% (model expectation from 2024 CAASPP)
vs. Expected-17.6 pts
Adjusted Percentile12th
Resources & Environment9.6Excellent25%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio16.7:1
District spending per student$24,055
Chronic Absenteeism26.8%

Students at Altimira Middle score 18% proficient, which is below what's typical for similar communities (expected: 36%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency8%(2024 CAASPP)
School
State
34%(2024 CAASPP)
ELA Proficiency29%(2024 CAASPP)
School
State
47%(2024 CAASPP)

Trend

↓ Declining

Proficiency has fallen 10 points since 2018, to 18% in 2024, across a 16-year record (2009–2024).

Show all 12 years
2009
Math
43%
ELA
45%
2010
Math
41%
ELA
43%
2011
Math
32%
ELA
38%
2012
Math
27%
ELA
36%
2014
Math
16%
ELA
28%
2015
Math
22%
ELA
40%
2016
Math
21%
ELA
40%
2017
Math
20%
ELA
40%
2018
Math
20%
ELA
37%
2019
Math
20%
ELA
37%
2022
Math
8%
ELA
26%
2024
Math
8%
ELA
29%

Multi-year averages used by the rating model: math 20% (multi-year average, 2009-2024) · reading/ELA 35% (multi-year average, 2009-2024)

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

68.4%

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 Altimira Middle 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 24Car-Dependent
  • Bike 54Bikeable
  • City Safety: Elevated1,342/100K

Powered byWalk Score

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

$108,322

Median home value

$882,300

Median rent

$2,127/mo

College educated

41.1%

Homeownership

67.2%

Poverty rate

8.1%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 95476; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

2 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
New Song SchoolPrivate · tuitionNot rated1–120.7 mi27Compare →
Adele Harrison MiddleEnrollment path unverified7.36–83.1 mi330Compare →

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.

Sonoma Valley Unified

Schools in district
8
Rank in district
#7 of 8
District spending per student
$24,055NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
8.5%Census SAIPE · 2024

Altimira Middle is listed in Sonoma Valley Unified; a district label does not verify attendance for an address.

About Altimira Middle

Altimira Middle is a public middle school in Sonoma, CA, part of Sonoma Valley Unified, serving approximately 351 students in grades 6th-8th with a 16.7:1 student-teacher ratio. It holds a MySchoolScout rating of 5.8 out of 10 and ranks #5,934 of 9,539 schools in CA. State assessment records show 20% math proficiency (multi-year average, 2009-2024) and 35% reading/ELA proficiency (multi-year average, 2009-2024).

Frequently asked questions

Common questions about Altimira Middle

What grades does Altimira Middle serve?

Altimira Middle serves students in grades 6th through 8th.

How many students attend Altimira Middle?

Altimira Middle has an enrollment of approximately 351 students.

What is the student-teacher ratio at Altimira Middle?

The student-teacher ratio at Altimira Middle is 16.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Altimira Middle rank in CA?

Altimira Middle ranks #5,934 of 9,539 schools in CA.

What is Altimira Middle's MySchoolScout rating?

Altimira Middle has a current MySchoolScout rating of 5.8 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 Altimira Middle?

Based on loaded state assessment records, Altimira Middle has 20% math proficiency (multi-year average, 2009-2024) and 35% reading/ELA proficiency (multi-year average, 2009-2024).

Is Altimira Middle a charter school?

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

Is Altimira Middle a Title I school?

No, Altimira Middle is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Altimira Middle?

68.4% of students at Altimira Middle 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
6th – 8th
Enrollment
351
Student-Teacher Ratio
16.7:1
Teachers (FTE)
21
Type
regular
Setting
Fringe Town
County
Sonoma County
Chronic Absenteeism (SY 2022-23)
26.8%
Area population (ZIP 95476)
35,139
Area average commute
27.4 min
Area median age
52.5
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 95476; 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

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