Item: Twin Hills Union Elementary School District
Rating: 9
Author: ���������� School Review

Home > California > Sonoma County

Twin Hills Union Elementary School District

700 Watertrough Rd.
Sebastopol, CA 95472-3917

( shown in map)

Top 20%

Tel: (707) 823-0871

Top Rankings

Twin Hills Union Elementary School District ranks among the top 20% of public school district in California for:

Overview

This School District

This State (CA)

# Schools

4 Schools

10,369 Schools

# Students

957 Students

5,826,818 Students

# Teachers

52 Teachers

268,016 Teachers

Student-Teacher Ratio

18:1

Student By Grade

View Data

Comparison of Students By Grade Trends
Grade	Twin Hills Union Elementary School District	California
Kind	112	254
1	74	193
2	75	201
3	84	202
4	110	207
5	84	209
6	109	210
7	98	214
8	115	215
9	19	227
10	23	232
11	25	228
12	29	239

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

District Rank

Twin Hills Union Elementary School District, which is ranked #285 of all 1,910 school districts in California (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.

The school district's graduation rate of 90% has increased from 80% over five school years.

This School District

State Average (CA)

#279 out of 1932 school districts
(Top 20%)

View Data

Overall School District Rank Trends
Year	Twin Hills Union Elementary School District
2023	#279
2022	#321
2019	#391
2018	#175
2017	#166
2016	#229
2015	#209
2014	#181
2013	#169
2012	#170
2011	#156

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

47%

34%

View Data

Math Proficiency Trends
Year	Twin Hills Union Elementary School District	California
2023	47%	34%
2022	44%	33%
2019	47%	40%
2018	52%	39%
2017	50%	38%
2016	45%	37%
2015	44%	34%
2014	69%	63%
2013	68%	59%
2012	68%	59%
2011	67%	58%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

63%

47%

View Data

Reading and Language Arts Proficiency Trends
Year	Twin Hills Union Elementary School District	California
2022	63%	47%
2019	66%	51%
2018	52%	50%
2017	64%	48%
2016	60%	48%
2015	58%	44%
2014	69%	58%
2013	75%	57%
2012	76%	58%
2011	76%	56%
2010	74%	54%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

48%

29%

(21-22)

≥90%

87%

View Data

Graduation Rate Trends
Year	Twin Hills Union Elementary School District	California
2022	90%	87%
2016	80%	83%
2015	90%	89%
2014	80%	88%
2013	80%	87%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Students by Ethnicity:

0.47

0.63

View Data

Comparison of Diversity Score Trends
Year	Twin Hills Union Elementary School District	California
2023	0.48	0.64
2022	0.48	0.63
2021	0.47	0.62
2020	0.45	0.63
2019	0.45	0.63
2018	0.46	0.64
2017	0.46	0.64
2016	0.44	0.64
2015	0.46	0.64
2014	0.40	0.65
2013	0.42	0.65
2012	0.40	0.65
2011	0.37	0.67
2010	0.32	0.67
2009	0.32	0.71
2008	0.33	0.65
2007	0.34	0.67
2006	0.30	0.66
2005	0.36	0.67
2004	0.31	0.67
2003	0.35	0.67
2002	0.29	0.67
2001	0.30	0.67
2000	0.25	0.67
1999	0.26	0.67
1998	0.26	0.67
1997	0.25	0.67
1996	0.23	0.67
1995	0.25	0.67
1994	0.25	0.67
1993	0.22	0.67
1992	0.19	0.67
1991	0.19	0.67

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% American Indian

n/a

View Data

American Indian Student Percentage Comparison Over Years (1995-2011)
Year	Twin Hills Union Elementary School District	California
2011	1%	1%
2010	1%	1%
2008	1%	1%
2007	1%	2%
2006	1%	1%
2005	1%	2%
2003	3%	2%
2002	1%	2%
2001	2%	2%
2000	2%	1%
1999	1%	1%
1998	1%	1%
1997	1%	1%
1996	1%	1%
1995	2%	1%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Asian

12%

View Data

Asian Student Percentage Comparison Over Years (1992-2023)
Year	Twin Hills Union Elementary School District	California
2023	2%	12%
2022	3%	12%
2021	2%	12%
2020	2%	12%
2019	2%	12%
2018	1%	11%
2017	1%	11%
2015	3%	11%
2014	1%	11%
2013	1%	11%
2012	1%	11%
2011	2%	11%
2010	2%	11%
2009	3%	11%
2008	4%	12%
2007	5%	12%
2006	4%	12%
2005	6%	12%
2004	5%	12%
2003	5%	11%
2002	3%	11%
2001	4%	11%
2000	2%	11%
1999	2%	11%
1998	3%	11%
1997	2%	11%
1996	2%	11%
1995	3%	11%
1994	2%	11%
1993	3%	11%
1992	3%	11%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Hispanic

20%

56%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Twin Hills Union Elementary School District	California
2023	20%	55%
2022	19%	56%
2021	18%	56%
2020	18%	55%
2019	18%	55%
2018	17%	54%
2017	17%	54%
2016	17%	54%
2015	18%	54%
2014	16%	53%
2013	17%	53%
2012	16%	52%
2011	15%	51%
2010	13%	50%
2009	12%	49%
2008	12%	50%
2007	12%	49%
2006	11%	48%
2005	11%	47%
2004	11%	46%
2003	12%	45%
2002	10%	44%
2001	9%	43%
2000	8%	42%
1999	9%	41%
1998	9%	40%
1997	9%	40%
1996	8%	39%
1995	8%	38%
1994	9%	37%
1993	8%	36%
1992	7%	35%
1991	6%	34%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Black

View Data

Black Student Percentage Comparison Over Years (1988-2023)
Year	Twin Hills Union Elementary School District	California
2023	1%	5%
2014	1%	6%
2013	1%	6%
2012	1%	6%
2011	1%	7%
2010	1%	7%
2009	2%	7%
2008	2%	8%
2007	2%	8%
2006	1%	8%
2005	3%	8%
2004	2%	8%
2003	2%	8%
2002	1%	8%
2001	2%	8%
2000	2%	9%
1999	2%	9%
1998	2%	9%
1997	2%	9%
1996	2%	9%
1995	1%	9%
1994	1%	9%
1993	1%	9%
1992	1%	9%
1991	1%	9%
1990	1%	9%
1989	1%	9%
1988	1%	9%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% White

70%

20%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Twin Hills Union Elementary School District	California
2023	69%	21%
2022	70%	21%
2021	71%	22%
2020	72%	23%
2019	72%	23%
2018	71%	24%
2017	71%	24%
2016	73%	24%
2015	61%	24%
2014	76%	25%
2013	74%	25%
2012	76%	26%
2011	78%	27%
2010	82%	27%
2009	82%	28%
2008	81%	29%
2007	80%	29%
2006	83%	31%
2005	79%	31%
2004	82%	32%
2003	78%	34%
2002	84%	35%
2001	83%	36%
2000	86%	37%
1999	86%	38%
1998	85%	39%
1997	86%	39%
1996	87%	40%
1995	86%	41%
1994	86%	42%
1993	88%	43%
1992	89%	44%
1991	90%	45%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Hawaiian

n/a

% Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2009-2023)
Year	Twin Hills Union Elementary School District	California
2023	8%	6%
2022	8%	5%
2021	8%	5%
2020	8%	4%
2019	8%	4%
2018	11%	4%
2017	11%	4%
2016	10%	4%
2015	10%	3%
2014	6%	3%
2013	7%	3%
2012	6%	3%
2011	3%	2%
2010	1%	3%
2009	1%	3%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

All Ethnic Groups

District Revenue and Spending

The revenue/student of $15,217 in this school district is less than the state median of $19,974. The school district revenue/student has grown by 14% over four school years.

The school district's spending/student of $14,691 is less than the state median of $18,396. The school district spending/student has grown by 14% over four school years.

This School District

This State (CA)

Total Revenue

$15 MM

$116,387 MM

View Data

Total Revenues Trends
Year	Twin Hills Union Elementary School District	California
2023	$15 MM	$8 MM
2022	$14 MM	$7 MM
2021	$15 MM	$8 MM
2020	$14 MM	$7 MM
2019	$15 MM	$7 MM
2018	$14 MM	$29 MM
2017	$14 MM	$26 MM
2016	$14 MM	$24 MM
2015	$8 MM	$17 MM
2014	$10 MM	$21 MM
2012	$9 MM	$19 MM
2011	$9 MM	$19 MM
2010	$8 MM	$17 MM
2009	$9 MM	$19 MM
2008	$8 MM	$19 MM
2007	$9 MM	$19 MM
2006	$9 MM	$17 MM
2005	$8 MM	$16 MM
2004	$8 MM	$16 MM
2003	$10 MM	$16 MM
2002	$7 MM	$15 MM
2001	$7 MM	$15 MM
2000	$6 MM	$13 MM
1999	$5 MM	$12 MM
1998	$5 MM	$11 MM
1997	$5 MM	$10 MM
1996	$4 MM	$9 MM
1995	$4 MM	$8 MM

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Spending

$14 MM

$107,188 MM

View Data

Total Expenditure Trends
Year	Twin Hills Union Elementary School District	California
2023	$14 MM	$7 MM
2022	$15 MM	$7 MM
2021	$14 MM	$7 MM
2020	$15 MM	$7 MM
2019	$14 MM	$7 MM
2018	$13 MM	$29 MM
2017	$13 MM	$24 MM
2016	$12 MM	$23 MM
2015	$8 MM	$18 MM
2014	$10 MM	$21 MM
2012	$10 MM	$19 MM
2011	$9 MM	$19 MM
2010	$8 MM	$18 MM
2009	$8 MM	$18 MM
2008	$8 MM	$19 MM
2007	$10 MM	$18 MM
2006	$10 MM	$17 MM
2005	$8 MM	$16 MM
2004	$8 MM	$17 MM
2003	$9 MM	$15 MM
2002	$9 MM	$16 MM
2001	$7 MM	$14 MM
2000	$6 MM	$13 MM
1999	$5 MM	$11 MM
1998	$5 MM	$11 MM
1997	$5 MM	$10 MM
1996	$4 MM	$8 MM
1995	$4 MM	$8 MM

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Revenue / Student

$15,217

$19,974

View Data

Average Revenue Per Student Trends
Year	Twin Hills Union Elementary School District	California
2023	$15,186	$15,607
2022	$12,273	$14,213
2021	$13,251	$15,669
2020	$12,273	$14,213
2019	$12,625	$14,063
2018	$11,585	$16,033
2017	$10,874	$16,692
2016	$10,827	$15,604
2015	$6,533	$10,238
2014	$8,507	$11,786
2012	$8,073	$11,929
2011	$8,219	$11,681
2010	$8,471	$10,238
2009	$9,374	$11,099
2008	$9,283	$11,762
2007	$9,250	$11,879
2006	$9,389	$10,859
2005	$7,896	$10,445
2004	$7,937	$10,566
2003	$9,811	$10,456
2002	$7,772	$9,803
2001	$7,589	$10,568
2000	$6,225	$8,943
1999	$6,056	$8,203
1998	$5,781	$7,395
1997	$5,159	$6,922
1995	$4,194	$5,953
1992	$3,861	$5,430

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Spending / Student

$14,691

$18,396

View Data

Average Expenditure Per Student Trends
Year	Twin Hills Union Elementary School District	California
2023	$14,660	$13,914
2022	$12,748	$13,602
2021	$12,793	$13,970
2020	$12,748	$13,602
2019	$11,606	$13,522
2018	$10,945	$16,124
2017	$10,045	$15,588
2016	$9,887	$14,779
2015	$6,442	$10,739
2014	$8,423	$11,804
2012	$8,734	$12,155
2011	$8,255	$11,509
2010	$8,353	$10,739
2009	$8,576	$10,975
2008	$8,772	$11,678
2007	$10,530	$11,317
2006	$10,268	$10,926
2005	$7,667	$10,789
2004	$8,018	$11,073
2003	$8,795	$10,210
2002	$10,243	$10,600
2001	$7,493	$10,007
2000	$6,118	$9,131
1999	$5,854	$7,911
1998	$5,826	$7,592
1997	$5,366	$6,759
1995	$4,057	$6,033
1992	$4,040	$5,588

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Best Twin Hills Union Elementary School District �� Schools (2025-26)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: #11.

Twin Hills Charter Middle School

Charter School

(Math: 55-59% | Reading: 70%)
:

Top 20%

Add to Compare

1685 Watertrough Rd.
Sebastopol, CA 95472
(707) 823-7446

Gr: 6-8 | 207 students Student-teacher ratio: 15:1 Minority enrollment: 36%

Rank: #22.

Sunridge Charter

Charter School

(Math: 45-49% | Reading: 65-69%)
:

Top 20%

Add to Compare

7285 Hayden Ave.
Sebastopol, CA 95472
(707) 824-2844

Gr: K-8 | 234 students Student-teacher ratio: 23:1 Minority enrollment: 21%

Rank: #33.

Orchard View

Charter School

(Math: 35-39% | Reading: 60-64%)
:

Top 30%

Add to Compare

700 Watertrough Rd.
Sebastopol, CA 95472
(707) 823-4709

Gr: K-12 | 228 students Student-teacher ratio: 16:1 Minority enrollment: 34%

Rank: #44.

Apple Blossom

(Math: 40-44% | Reading: 50-54%)
:

Top 50%

Add to Compare

700 Watertrough Rd.
Sebastopol, CA 95472
(707) 823-1041

Gr: K-5 | 288 students Student-teacher ratio: 21:1 Minority enrollment: 30%

Frequently Asked Questions

How many schools belong to Twin Hills Union Elementary School District?

Twin Hills Union Elementary School District manages 4 public schools serving 957 students.

What is the rank of Twin Hills Union Elementary School District?

Twin Hills Union Elementary School District is ranked #285 out of 1,910 school districts in California (top 20%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of California school districts for: Highest overall rank (Top 20%), Highest math proficiency (Top 20%), Highest reading/language arts proficiency (Top 20%) and Highest science proficiency (Top 20%)

What is the racial composition of students in Twin Hills Union Elementary School District?

70% of Twin Hills Union Elementary School District students are White, 20% of students are Hispanic, 8% of students are Two or more races, 1% of students are Asian, and 1% of students are Black.

What is the student/teacher ratio of Twin Hills Union Elementary School District?

Twin Hills Union Elementary School District has a student/teacher ratio of 18:1, which is lower than the California state average of 22:1.

What is Twin Hills Union Elementary School District's spending/student ratio?

The school district's spending/student of $14,691 is less than the state median of $18,396. The school district spending/student has grown by 14% over four school years.

Recent Articles

September 05, 2025

School Choice vs. Neighborhood Schools: Key Factors

Explore school choice vs. neighborhood schools in 2025. Learn key factors parents should weigh when deciding the best fit for their child.

September 05, 2025

Best School Match 2025: �� vs Charter vs Magnet

Compare 2025 public, charter, and magnet school options with updated data, trends, and strategies to find the best fit.

September 05, 2025

�� School Boundaries and Equity in 2025

Explore how public school boundaries shape access, equity, and opportunity for students in 2025. Learn the impact on families and education policy.

Quick Facts (2025-26)

District size: 4 schools
Grades: KG-12
Enrollment: 957 students
Student-Teacher Ratio: 18:1
Minority Enrollment: 30%
: ≥90% (Btm 50% in CA)
: Top 20%
: 47% (Top 20%)
: 63% (Top 20%)
: 48% (Top 20%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education