🏆 Top 10 in Sonoma County — UC Reach

Sonoma County · 2025 · ≥50 seniors

What is UC Reach? UC Reach = unique top-6 UC admits ÷ senior class size — the share of a school's entire graduating class that reaches the six most selective UCs (Berkeley, UCLA, San Diego, Santa Barbara, Irvine, Davis). It's a better gauge of school-wide success than admit rate, which only reflects the handful of students who applied.

Why it beats admit rate: if 6 students apply to the top UCs and all get in, that's a 100% admit rate — but at a 1,000-senior school it's a UC Reach of just 0.6% (6 ÷ 1,000). By contrast, a school where 250 of 1,000 seniors land a top-UC admit has a 25% UC Reach — far stronger, even though its admit rate is lower.

Why some schools are over 100%? Out of every 100 seniors at these schools, the class is generating more than 100 admissions to the six most selective UCs — meaning the typical strong student is getting in at multiple top campuses (UCLA + UCSD, or Berkeley + UCSB + Irvine, for example). It's a rare achievement: fewer than 1% of California high schools clear 100% UC Reach.

1 Healdsburg High School · Healdsburg 40.3% 2 Maria Carrillo High School · Santa Rosa 28.5% 3 Sonoma Valley High School · Sonoma 24.2% 4 Cardinal Newman High School · Santa Rosa 23.1% 5 Petaluma High School · Petaluma 21.6% 6 Windsor High School · Windsor 18.3% 7 Casa Grande High School · Petaluma 16.5% 8 Montgomery High · 12.3% 9 Analy High School · Sebastopol 11.8% 10 Santa Rosa High School · Santa Rosa 8.1%

Leaderboards by type — Sonoma County (2025)

Top and bottom schools by UC Reach, split public/charter vs private (≥50 seniors). Scoped to Sonoma County — change the County filter above to rescope.

▲ Top 10 Public + Charter

Sonoma County

1	Healdsburg High School Healdsburg · Public	40.3%
2	Maria Carrillo High School Santa Rosa · Public	28.5%
3	Sonoma Valley High School Sonoma · Public	24.2%
4	Petaluma High School Petaluma · Public	21.6%
5	Windsor High School Windsor · Public	18.3%
6	Casa Grande High School Petaluma · Public	16.5%
7	Montgomery High · Public	12.3%
8	Analy High School Sebastopol · Public	11.8%
9	Santa Rosa High School Santa Rosa · Public	8.1%
10	Piner High School Santa Rosa · Public	7.8%

▲ Top 10 Private

Sonoma County

1	Cardinal Newman High School Santa Rosa · Private	23.1%

▼ Bottom 10 Public + Charter

Sonoma County

1	Elsie Allen High School Santa Rosa · Public	5.2%
2	Rancho Cotate High School Rohnert Park · Public	7.8%
3	Piner High School Santa Rosa · Public	7.8%
4	Santa Rosa High School Santa Rosa · Public	8.1%
5	Analy High School Sebastopol · Public	11.8%
6	Montgomery High · Public	12.3%
7	Casa Grande High School Petaluma · Public	16.5%
8	Windsor High School Windsor · Public	18.3%
9	Petaluma High School Petaluma · Public	21.6%
10	Sonoma Valley High School Sonoma · Public	24.2%

▼ Bottom 10 Private

Sonoma County

1	Cardinal Newman High School Santa Rosa · Private	23.1%

🎯 Specialized high schools — Sonoma County · 2025

Top UC Reach for schools with senior classes of 25–99. These are typically magnet programs, specialized charters, and small Catholic preps — too small to compare cleanly against comprehensive public high schools, but the most UC-effective small schools in California are here.

▲ Top 10 Small Public + Charter

Sonoma County

1	Technology High School Rohnert Park · Public	31.6%
2	Cloverdale High School Cloverdale · Public	6.9%

▲ Top 10 Small Private

Sonoma County

1	Sonoma Academy Santa Rosa · Private	49.4%
2	Saint Vincent De Paul High Sch Petaluma · Private	9.8%

Top 10 by individual UC campus — Sonoma County · 2025

Where each UC campus lands its admits, as a share of each high school's senior class. Same 50-senior floor.

Top 10 — UCB Reach

UC Berkeley

1	Healdsburg High School Healdsburg · Public	5.2%
2	Sonoma Valley High School Sonoma · Public	3.1%
3	Windsor High School Windsor · Public	1.6%
4	Maria Carrillo High School Santa Rosa · Public	1.6%
5	Montgomery High · Public	1.6%
6	Casa Grande High School Petaluma · Public	1.0%
7	Petaluma High School Petaluma · Public	1.0%

Top 10 — UCLA Reach

UCLA

1	Healdsburg High School Healdsburg · Public	3.7%
2	Cardinal Newman High School Santa Rosa · Private	2.8%
3	Sonoma Valley High School Sonoma · Public	2.7%
4	Maria Carrillo High School Santa Rosa · Public	2.2%
5	Petaluma High School Petaluma · Public	1.4%
6	Casa Grande High School Petaluma · Public	1.0%
7	Windsor High School Windsor · Public	0.9%
8	Analy High School Sebastopol · Public	0.9%
9	Montgomery High · Public	0.9%

Top 10 — UCSD Reach

UC San Diego

1	Healdsburg High School Healdsburg · Public	8.2%
2	Cardinal Newman High School Santa Rosa · Private	7.4%
3	Maria Carrillo High School Santa Rosa · Public	5.1%
4	Sonoma Valley High School Sonoma · Public	4.7%
5	Windsor High School Windsor · Public	4.0%
6	Petaluma High School Petaluma · Public	3.7%
7	Casa Grande High School Petaluma · Public	3.2%
8	Montgomery High · Public	2.5%
9	Rancho Cotate High School Rohnert Park · Public	2.4%
10	Piner High School Santa Rosa · Public	2.1%

Top 10 — UCSB Reach

UC Santa Barbara

1	Cardinal Newman High School Santa Rosa · Private	7.4%
2	Maria Carrillo High School Santa Rosa · Public	6.2%
3	Healdsburg High School Healdsburg · Public	5.2%
4	Sonoma Valley High School Sonoma · Public	5.1%
5	Windsor High School Windsor · Public	3.8%
6	Casa Grande High School Petaluma · Public	3.7%
7	Petaluma High School Petaluma · Public	3.7%
8	Analy High School Sebastopol · Public	3.5%
9	Montgomery High · Public	3.5%
10	Santa Rosa High School Santa Rosa · Public	3.2%

Top 10 — UCI Reach

UC Irvine

1	Petaluma High School Petaluma · Public	6.8%
2	Maria Carrillo High School Santa Rosa · Public	5.9%
3	Healdsburg High School Healdsburg · Public	2.2%
4	Windsor High School Windsor · Public	1.9%
5	Casa Grande High School Petaluma · Public	1.5%
6	Analy High School Sebastopol · Public	1.2%

Top 10 — UCD Reach

UC Davis

1	Healdsburg High School Healdsburg · Public	15.7%
2	Sonoma Valley High School Sonoma · Public	8.6%
3	Maria Carrillo High School Santa Rosa · Public	7.5%
4	Windsor High School Windsor · Public	6.1%
5	Casa Grande High School Petaluma · Public	6.0%
6	Cardinal Newman High School Santa Rosa · Private	5.6%
7	Petaluma High School Petaluma · Public	5.1%
8	Analy High School Sebastopol · Public	4.9%
9	Santa Rosa High School Santa Rosa · Public	4.0%
10	Montgomery High · Public	3.8%

Beyond UC Reach — more lenses on Sonoma County

UC Reach measures who gets in. These lenses measure the upstream pipeline (A-G), the downstream outcome (UC graduation), the capacity that drives the pipeline (counselors), reliability over time (consistency), grade-11 academic preparation (CAASPP SBAC ELA & Math), and private-school financial strength. Click any school for its full profile.

Top 10 — A-G Completion

% of graduates meeting UC/CSU course requirements · 2024-25 cohort

1	Credo High School Rohnert Park · Public	97.3%
2	Technology High School Rohnert Park · Public	82.1%
3	Healdsburg High School Healdsburg · Public	67.7%
4	Maria Carrillo High School Santa Rosa · Public	59.1%
5	Analy High School Sebastopol · Public	56.9%
6	Sonoma Valley High School Sonoma · Public	55.3%
7	Petaluma High School Petaluma · Public	54.9%
8	Casa Grande High School Petaluma · Public	51.5%
9	Montgomery High · Public	48.6%
10	Santa Rosa High School Santa Rosa · Public	42.8%

Top 10 — UC 6-Yr Grad Rate

% of UC entrants who finished in 6 years · cohort N ≥ 20

1	Santa Rosa High School Santa Rosa · Public	100.0%
2	Analy High School Sebastopol · Public	100.0%
3	Petaluma High School Petaluma · Public	96.0%
4	Maria Carrillo High School Santa Rosa · Public	92.9%
5	Rancho Cotate High School Rohnert Park · Public	92.0%
6	Sonoma Valley High School Sonoma · Public	91.3%
7	Casa Grande High School Petaluma · Public	90.9%
8	Windsor High School Windsor · Public	88.0%
9	Cardinal Newman High School Santa Rosa · Private	81.0%

Top 10 — Best Counselor Capacity

Lowest students-per-counselor (ASCA target 250:1) · public/charter, ≥500 students

1	Santa Rosa High School Santa Rosa · Public	180:1
2	Sonoma Valley High School Sonoma · Public	180:1
3	Elsie Allen High School Santa Rosa · Public	186:1
4	Montgomery High · Public	203:1
5	Piner High School Santa Rosa · Public	256:1
6	Maria Carrillo High School Santa Rosa · Public	283:1
7	Petaluma High School Petaluma · Public	293:1
8	Casa Grande High School Petaluma · Public	320:1
9	Rancho Cotate High School Rohnert Park · Public	336:1
10	Healdsburg High School Healdsburg · Public	340:1

Top 10 — Most Consistent

Lowest UC Reach std-dev across 5 years (above-CA-median mean)

1	Sonoma Valley High School avg 17.9% · σ 3.74	σ 3.74
2	Maria Carrillo High School avg 22.9% · σ 4.61	σ 4.61
3	Analy High School avg 17.0% · σ 5.09	σ 5.09
4	Cardinal Newman High School avg 29.2% · σ 6.57	σ 6.57
5	Sonoma Academy avg 53.5% · σ 6.74	σ 6.74
6	Petaluma High School avg 20.2% · σ 7.05	σ 7.05
7	Technology High School avg 23.2% · σ 8.17	σ 8.17
8	Healdsburg High School avg 26.0% · σ 8.56	σ 8.56

Top 10 — SBAC ELA met/exceeded

% Met or Exceeded Standard · Grade 11 CAASPP · public/charter · tested ≥30

1	Technology High School Rohnert Park · n=88 · 2025	92%
2	Credo High School Rohnert Park · n=123 · 2025	77%
3	Healdsburg High School Healdsburg · n=105 · 2025	69%
4	Analy High School Sebastopol · n=317 · 2025	68%
5	Casa Grande High School Petaluma · n=397 · 2025	67%
6	Maria Carrillo High School Santa Rosa · n=387 · 2025	65%
7	Windsor High School Windsor · n=400 · 2025	60%
8	Petaluma High School Petaluma · n=269 · 2025	53%
9	Sonoma Valley High School Sonoma · n=247 · 2025	53%
10	Rancho Cotate High School Rohnert Park · n=364 · 2025	52%

Top 10 — SBAC Math met/exceeded

% Met or Exceeded Standard · Grade 11 CAASPP · public/charter · tested ≥30

1	Technology High School Rohnert Park · n=85 · 2025	69%
2	Credo High School Rohnert Park · n=123 · 2025	50%
3	Maria Carrillo High School Santa Rosa · n=390 · 2025	47%
4	Analy High School Sebastopol · n=323 · 2025	41%
5	Petaluma High School Petaluma · n=274 · 2025	37%
6	Healdsburg High School Healdsburg · n=104 · 2025	37%
7	Casa Grande High School Petaluma · n=400 · 2025	36%
8	Windsor High School Windsor · n=400 · 2025	29%
9	Roseland Charter · n=183 · 2025	28%
10	Santa Rosa High School Santa Rosa · n=311 · 2025	19%

Top 10 — Private Net Assets

Wealthiest CA private high schools · IRS Form 990 · latest fiscal year

1	Sonoma Academy Santa Rosa · FY 2023	$114.8M
2	Summerfield Waldorf School Santa Rosa · FY 2023	$9.3M

Reach momentum — biggest gains & declines over time ⓘ

≥50 seniors · earliest→latest year

Which schools are moving a growing — or shrinking — share of their graduating class into the six most selective UCs. Reflects the current county/type filter.

▲ Biggest gains

School	Then → Now	Δ
Healdsburg High School Healdsburg · Public	11% '18 → 40% '25	+29.3pp
Windsor High School Windsor · Public	8% '18 → 18% '25	+10.4pp
Sonoma Valley High School Sonoma · Public	14% '18 → 24% '25	+9.7pp
Maria Carrillo High School Santa Rosa · Public	20% '18 → 28% '25	+9.0pp
Montgomery High · Public	5% '18 → 12% '25	+7.4pp
Casa Grande High School Petaluma · Public	12% '18 → 16% '25	+4.8pp
Elsie Allen High School Santa Rosa · Public	2% '18 → 5% '25	+3.8pp
Petaluma High School Petaluma · Public	19% '18 → 22% '25	+2.7pp
Piner High School Santa Rosa · Public	7% '18 → 8% '25	+1.0pp
Analy High School Sebastopol · Public	14% '18 → 12% '25	+-2.6pp

▼ Biggest declines

School	Then → Now	Δ
Cardinal Newman High School Santa Rosa · Private	40% '20 → 23% '25	-16.3pp
Santa Rosa High School Santa Rosa · Public	14% '18 → 8% '25	-5.4pp
Rancho Cotate High School Rohnert Park · Public	13% '18 → 8% '25	-5.2pp
Analy High School Sebastopol · Public	14% '18 → 12% '25	-2.6pp
Piner High School Santa Rosa · Public	7% '18 → 8% '25	1.0pp
Petaluma High School Petaluma · Public	19% '18 → 22% '25	2.7pp
Elsie Allen High School Santa Rosa · Public	2% '18 → 5% '25	3.8pp
Casa Grande High School Petaluma · Public	12% '18 → 16% '25	4.8pp
Montgomery High · Public	5% '18 → 12% '25	7.4pp
Maria Carrillo High School Santa Rosa · Public	20% '18 → 28% '25	9.0pp

Demand momentum — biggest gaps vs the county baseline ⓘ

grade-12 enrollment Δ vs. county · ≥80 students

The demographic tide is shrinking CA enrollment ~10% over 7 years statewide, so absolute decline alone is noise. The gap vs the county baseline is the actionable signal — schools losing share faster than their demographic floor are the ones to watch. Reflects the current county/type filter.

▲ Outperforming the county the most

School	School · County	Gap
Analy High School Sebastopol · Sonoma · Public Best in class	+25.6% vs -0.1%	+25.7pp
Piner High School Santa Rosa · Sonoma · Public Demand hides churn	+14.2% vs -0.1%	+14.3pp
Casa Grande High School Petaluma · Sonoma · Public Strong demand	+13.6% vs -0.1%	+13.6pp
Rancho Cotate High School Rohnert Park · Sonoma · Public Strong demand	+13.3% vs -0.1%	+13.3pp
Maria Carrillo High School Santa Rosa · Sonoma · Public Best in class	+6.4% vs -0.1%	+6.5pp
Windsor High School Windsor · Sonoma · Public Strong demand	+4.2% vs -0.1%	+4.3pp
Petaluma High School Petaluma · Sonoma · Public Material decline	-13.6% vs -0.1%	-13.6pp
Elsie Allen High School Santa Rosa · Sonoma · Public Compounding decline	-15.3% vs -0.1%	-15.2pp
Healdsburg High School Healdsburg · Sonoma · Public Material decline	-19.9% vs -0.1%	-19.8pp
Montgomery High · Sonoma · Public Compounding decline	-20.2% vs -0.1%	-20.1pp

▼ Underperforming the county the most

School	School · County	Gap
Santa Rosa High School Santa Rosa · Sonoma · Public Compounding decline	-22.1% vs -0.1%	-22.0pp
Sonoma Valley High School Sonoma · Sonoma · Public Material decline	-21.5% vs -0.1%	-21.4pp
Cloverdale High School Cloverdale · Sonoma · Public Material decline	-21.1% vs -0.1%	-21.0pp
Montgomery High · Sonoma · Public Compounding decline	-20.2% vs -0.1%	-20.1pp
Healdsburg High School Healdsburg · Sonoma · Public Material decline	-19.9% vs -0.1%	-19.8pp
Elsie Allen High School Santa Rosa · Sonoma · Public Compounding decline	-15.3% vs -0.1%	-15.2pp
Petaluma High School Petaluma · Sonoma · Public Material decline	-13.6% vs -0.1%	-13.6pp
Windsor High School Windsor · Sonoma · Public Strong demand	+4.2% vs -0.1%	+4.3pp
Maria Carrillo High School Santa Rosa · Sonoma · Public Best in class	+6.4% vs -0.1%	+6.5pp
Rancho Cotate High School Rohnert Park · Sonoma · Public Strong demand	+13.3% vs -0.1%	+13.3pp

GPA Performance — over/under their predicted UC admit rate ⓘ

11 schools eligible · 2025

Each dot is one school. The diagonal is the per-campus GPA expectation — points above it admit students at higher rates than their GPA mix predicts; points below admit at lower rates. Schools need ≥30 top-6 UC applications and data across ≥3 campuses to appear.

▲ Top 10 outperformers

School	GPA	Actual	Δ vs exp.
Piner High School Santa Rosa · Public	3.78	46.4%	+17.2pp
Rancho Cotate High School Rohnert Park · Public	3.85	44.0%	+16.4pp
Sonoma Valley High School Sonoma · Public	3.89	36.7%	+13.2pp
Maria Carrillo High School Santa Rosa · Public	3.92	28.7%	+7.4pp
Healdsburg High School Healdsburg · Public	3.94	27.0%	+5.5pp
Windsor High School Windsor · Public	3.92	26.7%	+4.6pp
Montgomery High · Public	3.86	24.2%	+3.5pp
Casa Grande High School Petaluma · Public	3.99	25.1%	+2.8pp
Santa Rosa High School Santa Rosa · Public	3.80	28.0%	+-0.0pp
Analy High School Sebastopol · Public	3.93	23.6%	+-0.3pp

▼ Top 10 underperformers

School	GPA	Actual	Δ vs exp.
Petaluma High School Petaluma · Public	4.00	21.1%	-2.1pp
Analy High School Sebastopol · Public	3.93	23.6%	-0.3pp
Santa Rosa High School Santa Rosa · Public	3.80	28.0%	-0.0pp
Casa Grande High School Petaluma · Public	3.99	25.1%	2.8pp
Montgomery High · Public	3.86	24.2%	3.5pp
Windsor High School Windsor · Public	3.92	26.7%	4.6pp
Healdsburg High School Healdsburg · Public	3.94	27.0%	5.5pp
Maria Carrillo High School Santa Rosa · Public	3.92	28.7%	7.4pp
Sonoma Valley High School Sonoma · Public	3.89	36.7%	13.2pp
Rancho Cotate High School Rohnert Park · Public	3.85	44.0%	16.4pp

Full rankings — every Sonoma County high school by UC Reach

Sortable by any column. Click a column header to sort. Click any school row to open its profile.

13 schools · 2025 data · 7 hidden (under 100 seniors)

Show all schools (no floor) Compare selected schools →

#	School	County	Seniors ⓘ	Total Enroll ⓘ	UC Reach ⓘ	App Reach ⓘ	Admit Rate ⓘ	Yield ⓘ	Selective Reach ⓘ	Elite Reach ⓘ	Raw Apps ⓘ	Raw Admits ⓘ
1	Healdsburg High School Healdsburg · Public Material decline	Sonoma	134	503	40.3%	149.2%	27.0%	18.5%	24.6	9.0	200	54
2	Maria Carrillo High School Santa Rosa · Public Best in class	Sonoma	372	1,584	28.5%	99.2%	28.7%	15.1%	21.0	3.8	369	106
3	Sonoma Valley High School Sonoma · Public Material decline	Sonoma	256	1,071	24.2%	73.4%	33.0%	14.5%	15.6	5.9	188	62
4	Cardinal Newman High School Santa Rosa · Private	Sonoma	108	567	23.1%	150.0%	15.4%	—	17.6	2.8	162	25
5	Petaluma High School Petaluma · Public Material decline	Sonoma	296	1,193	21.6%	102.4%	21.1%	23.4%	16.6	2.4	303	64
6	Windsor High School Windsor · Public Strong demand	Sonoma	426	1,700	18.3%	68.5%	26.7%	28.2%	12.2	2.6	292	78
7	Casa Grande High School Petaluma · Public Strong demand	Sonoma	401	1,653	16.5%	65.6%	25.1%	27.3%	10.5	2.0	263	66
8	Montgomery High · Public Compounding decline	Sonoma	318	1,253	12.3%	57.2%	21.4%	20.5%	8.5	2.5	182	39
9	Analy High School Sebastopol · Public Best in class	Sonoma	347	1,473	11.8%	59.6%	19.8%	19.5%	6.9	0.9	207	41
10	Santa Rosa High School Santa Rosa · Public Compounding decline	Sonoma	346	1,553	8.1%	50.3%	16.1%	32.1%	4.0	—	174	28
11	Piner High School Santa Rosa · Public Demand hides churn	Sonoma	334	1,434	7.8%	31.7%	24.5%	30.8%	4.5	—	106	26
12	Rancho Cotate High School Rohnert Park · Public Strong demand	Sonoma	425	1,755	7.8%	36.0%	21.6%	21.2%	4.7	—	153	33
13	Elsie Allen High School Santa Rosa · Public Compounding decline	Sonoma	230	1,029	5.2%	22.2%	23.5%	—	2.2	—	51	12

UC Reach = top-6 UC admits ÷ senior class size. Where UCOP has not published unique-student totals, campus admits are summed — students admitted to more than one of the 6 campuses are counted at each, so values above 100% indicate strong students winning multiple competitive UC offers. Schools with fewer than 100 seniors are excluded from the leaderboard by default — a small cohort with one strong year can otherwise dominate. See methodology →

School Rankings

🏆 Top 10 in Sonoma County — UC Reach

Leaderboards by type — Sonoma County (2025)

▲ Top 10 Public + Charter

▲ Top 10 Private

▼ Bottom 10 Public + Charter

▼ Bottom 10 Private

🎯 Specialized high schools — Sonoma County · 2025

▲ Top 10 Small Public + Charter

▲ Top 10 Small Private

Top 10 by individual UC campus — Sonoma County · 2025

Top 10 — UCB Reach

Top 10 — UCLA Reach

Top 10 — UCSD Reach

Top 10 — UCSB Reach

Top 10 — UCI Reach

Top 10 — UCD Reach

Beyond UC Reach — more lenses on Sonoma County

Top 10 — A-G Completion

Top 10 — UC 6-Yr Grad Rate

Top 10 — Best Counselor Capacity

Top 10 — Most Consistent

Top 10 — SBAC ELA met/exceeded

Top 10 — SBAC Math met/exceeded

Top 10 — Private Net Assets

Reach momentum — biggest gains & declines over time ⓘ

▲ Biggest gains

▼ Biggest declines

Demand momentum — biggest gaps vs the county baseline ⓘ

▲ Outperforming the county the most

▼ Underperforming the county the most

GPA Performance — over/under their predicted UC admit rate ⓘ

▲ Top 10 outperformers

▼ Top 10 underperformers

Full rankings — every Sonoma County high school by UC Reach