Petaluma Joint Union High

Petaluma, California — 10 schools

4,926
Total Enrollment
10
Schools
Per-Pupil Spending
High, Middle
School Types

District-Level NCES Analysis

Petaluma Joint Union High operates 10 public schools serving 4,926 students, placing it among the smaller districts in California. The school portfolio breaks down into 5 high, 3 middle, 1 elementary, 1 other schools, giving families a clear picture of grade-band coverage before they move, rent, or enrol. Aggregated across those campuses, enrollment totals 4,869 pupils using the NCES Common Core of Data (CCD) 2022-23 release, and the district is geographically located in Sonoma County County.

Academic infrastructure includes 2 of 10 schools offering Advanced Placement (29 AP courses district-wide), a 234:1 student-counselor ratio that meets the ASCA-recommended benchmark, and 51.5% chronic absenteeism from the 2021-22 Civil Rights Data Collection. Demographically, the student body averages 58.7% White, 31.1% Hispanic or Latino, 2.1% Asian across the district's schools.

Casa Grande High accounts for 33.9% of all Petaluma Joint Union High student enrollment

That concentration — well above the 8.4% national median for largest-entity share — means Petaluma Joint Union High-wide averages can mask substantial variation outside the dominant entity. Grade band: high. A single dominant campus often anchors a district's program offerings and staffing patterns; the share helps explain why district-wide averages may not reflect the typical neighbourhood-school experience. When one entity dominates a region's footprint, its programmatic and budget decisions effectively set policy for a majority of the affected population.

Source: NCES Common Core of Data NCES Common Core of Data

Petaluma Joint Union High school enrollment varies 87× across entities

Petaluma Joint Union High school enrollment ranges from 19 students (lowest) to 1,653 students (highest), a spread of 1,634 students. That ratio is among the widest observed and reflects extreme enrollment heterogeneity — the district operates both small specialty programs and large comprehensive campuses inside a single budgeting unit. Per-school staffing ratios, programme availability, and capital-renovation cycles often diverge inside the same district based on enrollment shape.

Source: NCES Common Core of Data NCES Common Core of Data

Petaluma Joint Union High student-counselor ratio is 234:1 — low (typically associated with meeting or exceeding the American School Counselor Association (ASCA) recommended 250:1 benchmark, which correlates with stronger college and career counseling capacity)

student-counselor ratio is the simplest comparative metric but it does not capture the full picture: the ratio counts FTE counselors against total enrollment — districts that contract intervention or social-emotional staff outside the counselor classification may be under-counted Lower values often correlate with smaller scale and population characteristics rather than higher resource budgets per se.

Source: NCES Civil Rights Data Collection NCES Civil Rights Data Collection

Petaluma Joint Union High chronic absenteeism rate is 51.5% — high (typically associated with higher-than-average disruption; recent CRDC data showed elevated rates persisting after pandemic-era schooling changes)

chronic absenteeism rate is the simplest comparative metric but it does not capture the full picture: a student is chronically absent if they miss ≥10% of enrolled days for any reason — illness, family obligations, or disengagement Higher values may reflect larger urban scale or recent resource constraints that have widened the gap.

Source: NCES Civil Rights Data Collection 2021-22 NCES Civil Rights Data Collection 2021-22

Local Rent Costs

Fair Market Rents in Sonoma County county, where this district is located.

$1,949
Studio/mo
$2,155
1 BR/mo
$2,827
2 BR/mo
$3,887
3 BR/mo
$4,147
4 BR/mo

Student Demographics

Average demographic composition across 10 schools in Petaluma Joint Union High.

White 58.7%
Hispanic or Latino 31.1%
African American 1.1%
Asian 2.1%
Multiracial 5.5%
Other 1.5%

Source: NCES CCD School Membership 2024-25.

Programs & Resources

2 / 10
Schools with AP
29 AP courses total
234:1
Student-Counselor Ratio
51.5%
Chronically Absent

Source: NCES Civil Rights Data Collection (CRDC) 2021-22.

Schools in Petaluma Joint Union High

School Enrollment
Casa Grande High
1,653
Petaluma High
1,193
Kenilworth Junior High
812
Mary Collins Charter School at Cherry Valley
Charter
494
Petaluma Junior High
454
Petaluma Accelerated Charter
Charter
115
San Antonio High (Continuation)
65
Valley Oaks High (Alternative)
43
Sonoma Mountain High (Continuation)
21
Carpe Diem High (Continuation)
19

Nearby Districts in California

Top districts in the same state — compare side-by-side for enrollment, spending, and demographics.

Los Angeles Unified
427,795 students · 785 schools · $25,877/pupil
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San Diego Unified
93,893 students · 175 schools · $26,901/pupil
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Fresno Unified
69,668 students · 101 schools · $20,737/pupil
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Long Beach Unified
65,554 students · 84 schools · $19,558/pupil
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Elk Grove Unified
62,061 students · 67 schools · $16,975/pupil
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Compare Petaluma Joint Union High

See how this district compares to others in enrollment, spending, demographics, and academic resources.

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Frequently Asked Questions

How many schools are in Petaluma Joint Union High?

Petaluma Joint Union High has 10 schools, including 5 high, 3 middle, 1 elementary, 1 other. Total enrollment is 4,926 students.

What is the average rent near Petaluma Joint Union High?

The HUD Fair Market Rent for a 2-bedroom in Sonoma County County is $N/A/month (2026). This affects housing affordability for families in the district.

What is the demographic composition of Petaluma Joint Union High?

Petaluma Joint Union High students are 58.7% White, 31.1% Hispanic or Latino, 2.1% Asian, 1.1% African American, averaged across 10 schools. Source: NCES CCD Membership 2024-25.

Federal data Last updated 2026 Free public data

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