Item: Twin Hills Union Elementary School District
Rating: 9
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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

3,496 Schools

# Students

957 Students

1,852,978 Students

# Teachers

52 Teachers

87,768 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	57	44
1	33	34
2	36	36
3	41	36
4	42	37
5	42	40
6	109	141
7	98	214
8	115	215
9	19	29
10	23	25
11	25	25
12	29	27

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District Rank

Twin Hills Union Elementary School District, which is ranked #285 of all 1,908 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

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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%

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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%

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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%

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Students by Ethnicity:

0.47

0.64

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

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% 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%

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% Asian

11%

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%

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% Hispanic

20%

55%

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%

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% 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%

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% White

70%

22%

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%

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% 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%

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All Ethnic Groups

District Revenue and Spending

The revenue/student of $15,217 in this school district is less than the state median of $19,978. 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 $18,399. 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

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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

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Revenue / Student

$15,217

$19,978

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

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Spending / Student

$14,691

$18,399

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

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Best Twin Hills Union Elementary School District Public Middle 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%

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Quick Facts (2025-26)

District size: 4 schools
Grades: K-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