Arroyo Grande High School (Ranked Top 50% for 2026)

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Top 50%

Arroyo Grande High School is an American public high school located in Arroyo Grande, California. It serves grades 9–12 as part of the Lucia Mar Unified School District.

Serving 1,976 students in grades 9-12, Arroyo Grande High School ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).

The percentage of students achieving is 30% (which is lower than the California state average of 34%). The percentage of students achieving is 56% (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 51% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).

Quick Facts (2026)

Grades: 9-12
Enrollment: 1,976 students
Student-Teacher Ratio: 20:1
Minority Enrollment: 51%
: 94% (Top 30% in CA)
: Top 50%
: 30% (Top 50%)
: 56% (Top 30%)
: 29% (Top 50%)
Source: National Center for Education Statistics (NCES), CA Dept. of Education

School Overview

Arroyo Grande High School's student population of 1,976 students has stayed relatively flat over five school years.

The teacher population of 97 teachers has stayed relatively flat over five school years.

Grades Offered

Grades 9-12

View Data

Distribution of Students By Grade Trends
Grade	Arroyo Grande High School
9	483
10	471
11	532
12	490

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Total Students

1,976 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Arroyo Grande High School
2023	1,991
2022	2,077
2021	2,006
2020	2,053
2019	2,053
2018	2,118
2017	2,118
2016	2,205
2015	2,205
2014	2,156
2013	2,206
2012	2,225
2011	2,172
2010	2,231
2009	2,232
2008	2,197
2007	2,277
2006	2,260
2005	2,212
2004	2,346
2003	2,643
2002	3,243
2001	3,212
2000	3,096
1999	2,969
1998	2,906
1997	2,790
1996	2,702
1995	2,555
1994	2,338
1993	2,268
1992	2,271
1991	2,126
1990	2,106
1989	2,191
1988	2,108
1987	2,149

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Gender %

Total Classroom Teachers

97 teachers

View Data

Total Classroom Teachers Trends Over Years (1990-2023)
Year	Arroyo Grande High School
2023	99
2022	100
2021	101
2020	103
2019	103
2018	104
2017	104
2016	103
2015	104
2014	98
2013	97
2012	97
2010	101
2009	100
2008	113
2007	100
2006	100
2005	99
2004	107
2003	115
2002	140
2001	140
2000	134
1999	128
1998	125
1997	126
1996	117
1995	109
1994	97
1993	100
1992	108
1991	107
1990	106

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Year Founded

1905

Colors

Blue, Gold

Campus Size

25 acres

School Motto

Truth and Honor

Average Class Size

27 students

School Rankings

Arroyo Grande High School ranks within the top 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).

The of Arroyo Grande High School is 0.59, 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)

#3485 out of 9523 schools
(Top 50%)

View Data

Overall School Rank Trends Over Years (2011-2023)
Year	Arroyo Grande High School
2023	#3485
2022	#4010
2019	#4287
2018	#3572
2017	#3225
2016	#3821
2015	#4843
2014	#700
2013	#2315
2012	#2519
2011	#2085

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30%

34%

View Data

Math Proficiency Comparison Over Years (2011-2023)
Year	Arroyo Grande High School	California	Lucia Mar Unified School District
2023	30%	34%	35%
2022	24%	33%	33%
2019	34%	40%	42%
2018	33%	39%	39%
2017	38%	38%	37%
2016	35%	37%	37%
2015	18%	34%	33%
2014	67%	63%	65%
2013	69%	59%	65%
2012	71%	59%	66%
2011	67%	58%	66%

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56%

47%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2010-2022)
Year	Arroyo Grande High School	California	Lucia Mar Unified School District
2022	56%	47%	50%
2019	54%	51%	56%
2018	62%	50%	39%
2017	58%	48%	52%
2016	51%	48%	50%
2015	47%	44%	46%
2014	66%	58%	62%
2013	67%	57%	63%
2012	65%	58%	63%
2011	72%	56%	64%
2010	66%	54%	61%

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29%

Student-Teacher Ratio

20:1

21:1

View Data

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

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American Indian

n/a

View Data

American Indian Student Percentage Comparison Over Years (1990-2009)
Year	Arroyo Grande High School	California	Lucia Mar Unified School District
2009	1%	1%
2008	1%	1%	1%
2007	2%	2%	2%
2006	1%	1%	2%
2005	1%	2%	2%
2004	1%	2%	1%
2003	1%	2%	1%
2002	1%	2%	1%
2001	1%	2%	1%
2000	1%	1%	1%
1999	1%	1%	1%
1998	1%	1%	1%
1997	1%	1%	2%
1996	1%	1%	1%
1995	1%	1%	1%
1991	1%	1%
1990	1%	1%

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Asian

12%

View Data

Asian Student Percentage Comparison Over Years (1991-2023)
Year	Arroyo Grande High School	California	Lucia Mar Unified School District
2023	4%	12%	2%
2022	4%	12%	3%
2021	4%	12%	4%
2020	4%	12%	3%
2019	4%	12%	3%
2018	4%	11%	3%
2017	4%	11%	3%
2016	4%	11%	4%
2015	3%	11%	4%
2014	4%	11%	3%
2013	5%	11%	4%
2012	4%	11%	3%
2011	4%	11%	3%
2010	4%	11%	4%
2009	3%	11%	3%
2008	4%	12%	3%
2007	5%	12%	5%
2006	5%	12%	5%
2005	4%	12%	4%
2004	4%	12%	4%
2003	4%	11%	4%
2002	4%	11%	4%
2001	4%	11%	4%
2000	3%	11%	3%
1999	3%	11%	3%
1998	3%	11%	3%
1997	4%	11%	3%
1996	3%	11%	3%
1995	3%	11%	3%
1994	3%	11%	3%
1993	3%	11%	3%
1992	4%	11%	3%
1991	4%	11%	3%

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Hispanic

41%

56%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Arroyo Grande High School	California	Lucia Mar Unified School District
2023	40%	55%	49%
2022	40%	56%	48%
2021	38%	56%	48%
2020	36%	55%	46%
2019	36%	55%	46%
2018	33%	54%	44%
2017	33%	54%	44%
2016	33%	54%	43%
2015	34%	54%	41%
2014	32%	53%	42%
2013	32%	53%	41%
2012	32%	52%	41%
2011	29%	51%	40%
2010	30%	50%	39%
2009	26%	49%	34%
2008	26%	50%	36%
2007	25%	49%	34%
2006	25%	48%	32%
2005	25%	47%	32%
2004	25%	46%	32%
2003	26%	45%	32%
2002	27%	44%	31%
2001	27%	43%	31%
2000	26%	42%	31%
1999	24%	41%	31%
1998	25%	40%	30%
1997	25%	40%	29%
1996	26%	39%	29%
1995	25%	38%	28%
1994	26%	37%	28%
1993	25%	36%	27%
1992	24%	35%	26%
1991	23%	34%	25%

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Black

View Data

Black Student Percentage Comparison Over Years (1989-2023)
Year	Arroyo Grande High School	California	Lucia Mar Unified School District
2023	1%	5%	1%
2022	1%	5%	1%
2021	1%	5%
2020	1%	5%	1%
2019	1%	5%	1%
2014	1%	6%	1%
2013	1%	6%	1%
2012	1%	6%	1%
2011	1%	7%	1%
2010	1%	7%	1%
2009	1%	7%	1%
2008	1%	8%	1%
2007	1%	8%	1%
2006	1%	8%	2%
2005	1%	8%	2%
2004	1%	8%	2%
2003	1%	8%	2%
2002	1%	8%	1%
2001	1%	8%	1%
2000	1%	9%	1%
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%
1992	1%	9%	1%
1991	1%	9%	1%
1990	1%	9%	1%
1989	1%	9%	1%

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White

49%

20%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Arroyo Grande High School	California	Lucia Mar Unified School District
2023	50%	21%	42%
2022	51%	21%	43%
2021	52%	22%	43%
2020	55%	23%	46%
2019	55%	23%	46%
2018	59%	24%	49%
2017	59%	24%	49%
2016	60%	24%	50%
2015	59%	24%	51%
2014	60%	25%	51%
2013	60%	25%	52%
2012	61%	26%	53%
2011	64%	27%	54%
2010	63%	27%	54%
2009	65%	28%	55%
2008	68%	29%	59%
2007	67%	29%	58%
2006	67%	31%	59%
2005	68%	31%	60%
2004	68%	32%	61%
2003	68%	34%	61%
2002	67%	35%	63%
2001	67%	36%	63%
2000	69%	37%	64%
1999	70%	38%	64%
1998	70%	39%	65%
1997	69%	39%	65%
1996	69%	40%	66%
1995	70%	41%	67%
1994	70%	42%	68%
1993	71%	43%	69%
1992	71%	44%	69%
1991	71%	45%	71%

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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	Arroyo Grande High School	California	Lucia Mar Unified School District
2023	5%	6%	6%
2022	4%	5%	5%
2021	4%	5%	5%
2020	4%	4%	4%
2019	4%	4%	4%
2018	4%	4%	4%
2017	4%	4%	4%
2016	3%	4%	3%
2015	4%	3%	4%
2014	3%	3%	3%
2013	2%	3%	2%
2012	2%	3%	2%
2011	2%	2%	2%
2010	2%	3%	2%
2009	3%	3%	7%

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All Ethnic Groups

0.59

0.63

View Data

Diversity Score Comparison Over Years (1991-2023)
Year	Arroyo Grande High School	California	Lucia Mar Unified School District
2023	0.59	0.64	0.58
2022	0.58	0.63	0.59
2021	0.59	0.62	0.59
2020	0.57	0.63	0.58
2019	0.57	0.63	0.58
2018	0.55	0.64	0.57
2017	0.55	0.64	0.57
2016	0.53	0.64	0.56
2015	0.54	0.64	0.56
2014	0.54	0.65	0.57
2013	0.54	0.65	0.56
2012	0.53	0.65	0.56
2011	0.51	0.67	0.56
2010	0.52	0.67	0.56
2009	0.51	0.71	0.59
2008	0.47	0.65	0.52
2007	0.49	0.67	0.53
2006	0.49	0.66	0.53
2005	0.48	0.67	0.53
2004	0.48	0.67	0.52
2003	0.47	0.67	0.52
2002	0.48	0.67	0.51
2001	0.48	0.67	0.51
2000	0.46	0.67	0.50
1999	0.46	0.67	0.50
1998	0.45	0.67	0.49
1997	0.46	0.67	0.49
1996	0.46	0.67	0.49
1995	0.45	0.67	0.47
1994	0.45	0.67	0.47
1993	0.44	0.67	0.46
1992	0.44	0.67	0.46
1991	0.45	0.67	0.44

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94%

87%

View Data

Graduation Rate Comparison Over Years (2013-2023)
Year	Arroyo Grande High School	California	Lucia Mar Unified School District
2023	94%	87%	91%
2022	96%	87%	94%
2021	95%	84%	90%
2020	95%	85%	91%
2019	93%	84%	92%
2018	94%	84%	93%
2017	95%	83%	91%
2016	96%	83%	93%
2015	97%	89%	90%
2014	95%	88%	91%
2013	96%	87%	91%

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Eligible for

39%

54%

View Data

Free Lunch Eligibility Comparison Over Years (1992-2023)
Year	Arroyo Grande High School	California	Lucia Mar Unified School District
2023	37%	51%	47%
2022	35%	51%	44%
2021	39%	53%	48%
2020	31%	52%	43%
2019	31%	52%	43%
2018	26%	49%	37%
2017	26%	49%	37%
2016	31%	50%	42%
2015	29%	50%	39%
2014	29%	49%	40%
2013	28%	48%	38%
2011	27%	46%	38%
2010	26%	46%	35%
2009	20%	43%	28%
2008	17%	41%	27%
2007	16%	40%	26%
2006	15%	40%	24%
2005	15%	40%	24%
2004	18%	40%	27%
2003	23%	39%	33%
2002	17%	39%	27%
2001	17%	39%	28%
2000	19%	40%	29%
1999	18%	40%	32%
1998	28%	47%	43%
1997	27%	47%	42%
1996	20%	46%	38%
1995	20%	45%	36%
1994	14%	43%	32%
1993	15%	41%	31%
1992	15%	38%	31%

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Eligible for

10%

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2002-2023)
Year	Arroyo Grande High School	California	Lucia Mar Unified School District
2023	11%	8%	12%
2022	10%	7%	13%
2021	13%	6%	14%
2020	6%	7%	7%
2019	6%	7%	7%
2018	8%	9%	9%
2017	8%	9%	9%
2016	7%	9%	9%
2015	8%	9%	10%
2014	11%	9%	12%
2013	10%	7%	12%
2011	10%	8%	12%
2010	11%	9%	13%
2009	8%	10%	10%
2008	7%	10%	11%
2007	9%	10%	14%
2006	8%	9%	14%
2005	7%	9%	12%
2004	9%	9%	15%
2003	8%	9%	12%
2002	8%	8%	13%

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School Statewide Testing

School District Name

Lucia Mar Unified School District

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

School Notes

School Mascot: Eagles

Profile last updated: 02/09/2025

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Frequently Asked Questions

What is Arroyo Grande High School's ranking?

Arroyo Grande High School is ranked #3485 out of 9,523 schools, which ranks it among the top 50% of public schools in California.

What schools are Arroyo Grande High School often compared to?

Arroyo Grande High Schoolis often viewed alongside schools like San Luis Obispo High School, Morro Bay High School by visitors of our site.

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

30% of students have achieved math proficiency (compared to the 34% CA state average), while 56% of students have achieved reading proficiency (compared to the 47% CA state average).

What is the graduation rate of Arroyo Grande High School?

The graduation rate of Arroyo Grande High School is 94%, which is higher than the California state average of 87%.

How many students attend Arroyo Grande High School?

1,976 students attend Arroyo Grande High School.

What is the racial composition of the student body?

49% of Arroyo Grande High School students are White, 41% of students are Hispanic, 6% of students are Two or more races, 3% of students are Asian, and 1% of students are Black.

What is the student-teacher ratio of Arroyo Grande High School?

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

What grades does Arroyo Grande High School offer ?

Arroyo Grande High School offers enrollment in grades 9-12

What school district is Arroyo Grande High School part of?

Arroyo Grande High School is part of Lucia Mar Unified School District.