Acalanes High School (Ranked Top 10% for 2025-26)

1200 Pleasant Hill Rd.
Lafayette, CA 94549

( shown in map)

10/

Top 10%

Acalanes High School is a public secondary school located in Lafayette, California, United States, in the San Francisco Bay Area, within Contra Costa County. Acalanes was the first of four high schools established in the Acalanes Union High School District.

Serving 1,250 students in grades 9-12, Acalanes High School ranks in the top 10% of all schools in California for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).

The percentage of students achieving is 68% (which is higher than the California state average of 34%). The percentage of students achieving is 80% (which is higher than the California state average of 47%).

The student-teacher ratio of 20:1 is lower than the California state level of 21:1.

Minority enrollment is 35% of the student body (majority Asian and Hispanic), which is lower than the California state average of 80% (majority Hispanic).

Quick Facts (2025-26)

Grades: 9-12
Enrollment: 1,250 students
Student-Teacher Ratio: 20:1
Minority Enrollment: 35%
: 96% (Top 10% in CA)
: Top 10%
: 68% (Top 10%)
: 80% (Top 5%)
: 54% (Top 20%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

Acalanes High School ranks among the top 20% of public schools in California for:

School Overview

Acalanes High School's student population of 1,250 students has declined by 6% over five school years.

The teacher population of 63 teachers has declined by 5% over five school years.

Grades Offered

Grades 9-12

View Data

Distribution of Students By Grade Trends
Grade	Acalanes High School
9	311
10	301
11	317
12	321

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Total Students

1,250 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Acalanes High School
2023	1,259
2022	1,274
2021	1,303
2020	1,335
2019	1,335
2018	1,360
2017	1,360
2016	1,423
2015	1,396
2014	1,342
2013	1,390
2012	1,386
2011	1,416
2010	1,371
2009	1,320
2008	1,180
2007	1,376
2006	1,389
2005	1,342
2004	1,316
2003	1,262
2002	1,262
2001	1,270
2000	1,317
1999	1,328
1998	1,286
1997	1,231
1996	1,157
1995	1,097
1994	1,049
1993	1,045
1992	1,035
1991	1,031
1990	1,060
1989	1,138
1988	1,274
1987	1,357

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Gender %

Total Classroom Teachers

63 teachers

View Data

Total Classroom Teachers Trends Over Years (1990-2023)
Year	Acalanes High School
2023	65
2022	69
2021	67
2020	67
2019	67
2018	67
2017	67
2016	69
2015	69
2014	66
2013	67
2012	67
2010	63
2009	62
2008	74
2007	67
2006	62
2005	57
2004	59
2003	57
2002	60
2001	57
2000	60
1999	58
1998	58
1997	56
1996	51
1995	46
1994	45
1993	48
1992	45
1991	44
1990	45

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Year Founded

1940

Colors

White, Royal blue

School Calendar

School Rankings

Acalanes High School ranks within the top 10% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).

The of Acalanes High School is 0.55, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.

This School

State Level (CA)

#578 out of 9523 schools
(Top 10%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Acalanes High School
2023	#578
2022	#588
2021	#131
2019	#314
2018	#657
2017	#171
2016	#294
2015	#295
2014	#52
2013	#263
2012	#303

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68%

34%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Acalanes High School	California	Acalanes Union High School District
2023	68%	34%	65%
2022	67%	33%	65%
2021	72%	34%	73%
2019	73%	40%	72%
2018	69%	39%	68%
2017	78%	38%	69%
2016	71%	37%	68%
2015	74%	34%	71%
2014	89%	63%	88%
2013	88%	59%	85%
2012	89%	59%	86%

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80%

47%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Acalanes High School	California	Acalanes Union High School District
2022	80%	47%	78%
2021	83%	49%	85%
2019	91%	51%	89%
2018	80%	50%	68%
2017	90%	48%	84%
2016	91%	48%	82%
2015	82%	44%	86%
2014	88%	58%	88%
2013	90%	57%	87%
2012	89%	58%	88%
2011	89%	56%	88%

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54%

29%

Student-Teacher Ratio

20:1

21:1

View Data

Student-Teacher Ratio Comparison Over Years (1990-2023)
Year	Acalanes High School	California	Acalanes Union High School District
2023	19:1	22:1	19:1
2022	18:1	21:1	18:1
2021	19:1	22:1	19:1
2020	20:1	23:1	20:1
2019	20:1	23:1	20:1
2018	20:1	23:1	20:1
2017	20:1	23:1	20:1
2016	21:1	24:1	20:1
2015	20:1	24:1	20:1
2014	20:1	24:1	20:1
2013	21:1	24:1	21:1
2012	21:1	23:1	20:1
2010	22:1	21:1	20:1
2009	21:1	20:1	20:1
2008	16:1	18:1	16:1
2007	21:1	21:1	20:1
2006	22:1	20:1	21:1
2005	24:1	21:1	22:1
2004	22:1	21:1	22:1
2003	22:1	20:1	22:1
2002	21:1	20:1	22:1
2001	22:1	20:1	22:1
2000	22:1	21:1	22:1
1999	23:1	21:1	22:1
1998	22:1	21:1	22:1
1997	22:1	23:1	22:1
1996	23:1	25:1	22:1
1995	24:1	25:1	22:1
1994	23:1	25:1	23:1
1993	22:1	25:1	22:1
1992	23:1	24:1	23:1
1991	23:1	24:1	23:1
1990	24:1	24:1	23:1

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American Indian

n/a

View Data

American Indian Student Percentage Comparison Over Years (1989-2001)
Year	Acalanes High School	California	Acalanes Union High School District
2001	1%	2%
2000	1%	1%	2%
1999	1%	1%	1%
1998	1%	1%	1%
1997	1%	1%	2%
1996	1%	1%
1993	1%	1%
1992	1%	1%	1%
1991	1%	1%	1%
1990	1%	1%	1%
1989	1%	1%

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Asian

12%

View Data

Asian Student Percentage Comparison Over Years (1991-2023)
Year	Acalanes High School	California	Acalanes Union High School District
2023	12%	12%	17%
2022	11%	12%	17%
2021	12%	12%	17%
2020	12%	12%	16%
2019	12%	12%	16%
2018	12%	11%	16%
2017	12%	11%	16%
2016	12%	11%	15%
2015	13%	11%	15%
2014	12%	11%	14%
2013	12%	11%	14%
2012	12%	11%	15%
2011	12%	11%	14%
2010	10%	11%	14%
2009	10%	11%	13%
2008	12%	12%	14%
2007	11%	12%	14%
2006	11%	12%	14%
2005	12%	12%	15%
2004	13%	12%	14%
2003	13%	11%	15%
2002	14%	11%	14%
2001	13%	11%	14%
2000	13%	11%	13%
1999	13%	11%	14%
1998	15%	11%	15%
1997	13%	11%	14%
1996	13%	11%	15%
1995	14%	11%	14%
1994	12%	11%	13%
1993	13%	11%	13%
1992	13%	11%	11%
1991	11%	11%	11%

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Hispanic

11%

56%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Acalanes High School	California	Acalanes Union High School District
2023	10%	55%	11%
2022	9%	56%	11%
2021	9%	56%	10%
2020	8%	55%	10%
2019	8%	55%	10%
2018	8%	54%	9%
2017	8%	54%	9%
2016	8%	54%	9%
2015	7%	54%	9%
2014	7%	53%	8%
2013	8%	53%	8%
2012	8%	52%	8%
2011	8%	51%	8%
2010	8%	50%	8%
2009	3%	49%	4%
2008	3%	50%	5%
2007	4%	49%	7%
2006	5%	48%	6%
2005	5%	47%	7%
2004	5%	46%	7%
2003	5%	45%	5%
2002	4%	44%	5%
2001	3%	43%	6%
2000	3%	42%	4%
1999	3%	41%	5%
1998	4%	40%	5%
1997	4%	40%	5%
1996	5%	39%	5%
1995	5%	38%	5%
1994	4%	37%	5%
1993	3%	36%	4%
1992	4%	35%	4%
1991	4%	34%	4%

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Black

View Data

Black Student Percentage Comparison Over Years (1988-2023)
Year	Acalanes High School	California	Acalanes Union High School District
2023	1%	5%	1%
2022	1%	5%	1%
2021	1%	5%	2%
2020	1%	5%	2%
2019	1%	5%	2%
2014	1%	6%	2%
2013	1%	6%	1%
2012	1%	6%	2%
2011	1%	7%	2%
2010	1%	7%	1%
2009	1%	7%	2%
2008	1%	8%	1%
2007	3%	8%	4%
2006	3%	8%	4%
2005	3%	8%	3%
2004	3%	8%	5%
2003	2%	8%	1%
2002	1%	8%	2%
2001	1%	8%	1%
2000	1%	9%	2%
1999	1%	9%	1%
1998	1%	9%	1%
1997	1%	9%	1%
1996	1%	9%	1%
1995	1%	9%	1%
1994	1%	9%	1%
1993	1%	9%	1%
1991	1%	9%	1%
1990	1%	9%	1%
1989	1%	9%	1%
1988	1%	9%	1%

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White

65%

20%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Acalanes High School	California	Acalanes Union High School District
2023	66%	21%	61%
2022	69%	21%	62%
2021	69%	22%	63%
2020	71%	23%	65%
2019	71%	23%	65%
2018	73%	24%	66%
2017	73%	24%	66%
2016	73%	24%	67%
2015	72%	24%	68%
2014	72%	25%	69%
2013	72%	25%	69%
2012	71%	26%	69%
2011	71%	27%	70%
2010	72%	27%	70%
2009	71%	28%	70%
2008	84%	29%	80%
2007	75%	29%	75%
2006	76%	31%	76%
2005	77%	31%	75%
2004	79%	32%	74%
2003	80%	34%	79%
2002	81%	35%	79%
2001	81%	36%	79%
2000	82%	37%	79%
1999	82%	38%	79%
1998	79%	39%	78%
1997	81%	39%	78%
1996	80%	40%	79%
1995	80%	41%	80%
1994	83%	42%	81%
1993	82%	43%	82%
1992	82%	44%	83%
1991	83%	45%	83%

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Hawaiian

n/a

Two or more races

10%

View Data

Two or More Races Student Percentage Comparison Over Years (2009-2023)
Year	Acalanes High School	California	Acalanes Union High School District
2023	11%	6%	10%
2022	10%	5%	9%
2021	9%	5%	8%
2020	8%	4%	7%
2019	8%	4%	7%
2018	7%	4%	8%
2017	7%	4%	8%
2016	7%	4%	8%
2015	8%	3%	7%
2014	8%	3%	7%
2013	7%	3%	8%
2012	8%	3%	6%
2011	8%	2%	6%
2010	9%	3%	7%
2009	15%	3%	11%

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All Ethnic Groups

0.55

0.63

View Data

Diversity Score Comparison Over Years (1991-2023)
Year	Acalanes High School	California	Acalanes Union High School District
2023	0.53	0.64	0.59
2022	0.50	0.63	0.57
2021	0.50	0.62	0.56
2020	0.47	0.63	0.55
2019	0.47	0.63	0.55
2018	0.45	0.64	0.53
2017	0.45	0.64	0.53
2016	0.45	0.64	0.52
2015	0.46	0.64	0.50
2014	0.46	0.65	0.50
2013	0.47	0.65	0.50
2012	0.47	0.65	0.49
2011	0.48	0.67	0.49
2010	0.46	0.67	0.48
2009	0.47	0.71	0.48
2008	0.28	0.65	0.33
2007	0.44	0.67	0.37
2006	0.43	0.66	0.36
2005	0.42	0.67	0.38
2004	0.39	0.67	0.40
2003	0.34	0.67	0.36
2002	0.33	0.67	0.35
2001	0.33	0.67	0.34
2000	0.31	0.67	0.35
1999	0.31	0.67	0.36
1998	0.35	0.67	0.37
1997	0.33	0.67	0.37
1996	0.34	0.67	0.36
1995	0.34	0.67	0.35
1994	0.30	0.67	0.32
1993	0.31	0.67	0.31
1992	0.31	0.67	0.31
1991	0.29	0.67	0.30

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96%

87%

View Data

Graduation Rate Comparison Over Years (2013-2023)
Year	Acalanes High School	California	Acalanes Union High School District
2023	96%	87%	97%
2022	97%	87%	98%
2021	98%	84%	98%
2020	96%	85%	97%
2019	95%	84%	96%
2018	94%	84%	96%
2017	96%	83%	98%
2016	98%	83%	98%
2015	97%	89%	97%
2014	98%	88%	98%
2013	99%	87%	98%

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Eligible for

54%

View Data

Free Lunch Eligibility Comparison Over Years (2010-2023)
Year	Acalanes High School	California	Acalanes Union High School District
2023	7%	51%	8%
2022	6%	51%	7%
2021	5%	53%	6%
2020	6%	52%	6%
2019	6%	52%	6%
2018	1%	49%	2%
2017	1%	49%	2%
2016	2%	50%	2%
2015	1%	50%	3%
2014	2%	49%	4%
2013	2%	48%	3%
2011	2%	46%	3%
2010	2%	46%	2%

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Eligible for (13-14)

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2013-2014)
Year	Acalanes High School	California	Acalanes Union High School District
2014	1%	9%	1%
2013	1%	7%	1%

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School Statewide Testing

School District Name

Acalanes Union High School District

Source: National Center for Education Statistics (NCES), CA Dept. of Education

Profile last updated: 02/09/2025

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Frequently Asked Questions

What is Acalanes High School's ranking?

Acalanes High School is ranked #578 out of 9,523 schools, which ranks it among the top 10% of public schools in California.

What schools are Acalanes High School often compared to?

Acalanes High Schoolis often viewed alongside schools like Campolindo High School, Northgate High School, College Park High School by visitors of our site.

What percent of students have achieved state testing proficiency in math and reading?

68% of students have achieved math proficiency (compared to the 34% CA state average), while 80% of students have achieved reading proficiency (compared to the 47% CA state average).

What is the graduation rate of Acalanes High School?

The graduation rate of Acalanes High School is 96%, which is higher than the California state average of 87%.

How many students attend Acalanes High School?

1,250 students attend Acalanes High School.

What is the racial composition of the student body?

65% of Acalanes High School students are White, 12% of students are Asian, 11% of students are Hispanic, 10% of students are Two or more races, and 2% of students are Black.

What is the student-teacher ratio of Acalanes High School?

Acalanes High School has a student ration of 20:1, which is lower than the California state average of 21:1.

What grades does Acalanes High School offer ?

Acalanes High School offers enrollment in grades 9-12

What school district is Acalanes High School part of?

Acalanes High School is part of Acalanes Union High School District.