Casa Grande Union High School (Ranked Top 50% for 2025)

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Casa Grande Union High School

2730 N Trekell Rd
Casa Grande, AZ 85122

( shown in map)

Top 50%

Casa Grande High School is a high school in Casa Grande, Arizona. It is part of the Casa Grande Union High School District. The original high school and gym, now used as the Casa Grande City Hall, are listed on the National Register of Historic Places.

Serving 1,970 students in grades 9-12, Casa Grande Union High School ranks in the top 50% of all schools in Arizona for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).

The percentage of students achieving is 21% (which is lower than the Arizona state average of 34%). The percentage of students achieving is 39% (which is lower than the Arizona state average of 40%).

The student:teacher ratio of 22:1 is higher than the Arizona state level of 17:1.

Minority enrollment is 80% of the student body (majority Hispanic), which is higher than the Arizona state average of 66% (majority Hispanic).

Quick Stats (2025)

Grades: 9-12
Enrollment: 1,970 students
Student:Teacher Ratio: 22:1
Minority Enrollment: 80%
: 69% (Btm 50% in AZ)
: Top 50%
: 21% (Top 50%)
: 39% (Top 50%)
: 16% (Btm 50%)
Source: National Center for Education Statistics (NCES), AZ Dept. of Education

Top Rankings

Casa Grande Union High School ranks among the top 20% of public schools in Arizona for:

School Overview

Casa Grande Union High School's student population of 1,970 students has grown by 6% over five school years.

The teacher population of 91 teachers has grown by 10% over five school years.

Grades Offered

Grades 9-12
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Casa Grande Union High School
9	432
10	557
11	536
12	445

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Total Students

1,970 students

View Data

Total Students Trends Over Years (1990-2023)
Year	Casa Grande Union High School
2023	2,132
2022	2,002
2021	1,977
2020	1,853
2019	1,853
2018	1,737
2017	1,737
2016	1,770
2015	1,731
2014	1,486
2013	1,350
2012	1,364
2011	1,934
2010	2,309
2009	3,063
2008	3,048
2007	2,847
2006	2,528
2005	2,336
2004	2,299
2003	2,365
2002	2,290
2000	2,333
1999	2,274
1998	2,296
1997	2,198
1996	2,211
1995	1,980
1994	1,975
1993	1,891
1992	1,837
1991	1,760
1990	1,801

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Gender %

Total Classroom Teachers

91 teachers

View Data

Total Classroom Teachers Trends Over Years (1990-2023)
Year	Casa Grande Union High School
2023	86
2022	84
2021	81
2020	82
2019	82
2018	65
2017	65
2016	68
2015	70
2014	65
2013	63
2012	72
2011	86
2010	101
2009	145
2008	146
2007	140
2006	130
2005	114
2004	131
2003	124
2002	124
2000	116
1999	109
1998	102
1997	103
1996	99
1995	98
1994	99
1993	99
1992	98
1991	99
1990	102

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Year Founded

1920

Colors

Blue, Gold

School Calendar

School Rankings

Casa Grande Union High School ranks within the top 50% of all 1,956 schools in Arizona (based off of combined math and reading proficiency testing data).

The of Casa Grande Union High School is 0.60, which is less than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.

This School

State Level (AZ)

#843 out of 1956 schools
(Top 50%)

View Data

Overall School Rank Trends Over Years (2011-2022)
Year	Casa Grande Union High School
2022	#843
2021	#1168
2019	#1465
2018	#1209
2017	#1410
2016	#1578
2015	#1231
2014	#922
2013	#984
2012	#728
2011	#762

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(22-23)

21%

34%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Casa Grande Union High School	Arizona	CASA Grande Union High School District (4453)
2023	21%	34%	20%
2022	35%	35%	32%
2021	18%	32%	14%
2019	29%	45%	29%
2018	38%	45%	36%
2017	28%	42%	30%
2016	14%	39%	15%
2015	24%	38%	19%
2014	52%	63%	50%
2013	50%	63%	54%
2012	62%	63%	57%

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39%

40%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Casa Grande Union High School	Arizona	CASA Grande Union High School District (4453)
2022	39%	40%	35%
2021	25%	39%	21%
2019	34%	45%	31%
2018	34%	44%	36%
2017	24%	42%	26%
2016	24%	40%	24%
2015	32%	38%	31%
2014	83%	79%	83%
2013	82%	78%	83%
2012	81%	77%	79%
2011	80%	77%	74%

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16%

24%

Student : Teacher Ratio

22:1

17:1

View Data

Student-Teacher Ratio Comparison Over Years (1990-2023)
Year	Casa Grande Union High School	Arizona	CASA Grande Union High School District (4453)
2023	25:1	17:1	24:1
2022	24:1	17:1	24:1
2021	24:1	17:1	24:1
2020	23:1	18:1	24:1
2019	23:1	18:1	24:1
2018	27:1	19:1	28:1
2017	27:1	19:1	28:1
2016	26:1	20:1	28:1
2015	25:1	20:1	26:1
2014	23:1	19:1	26:1
2013	21:1	19:1	22:1
2012	19:1	18:1	23:1
2011	22:1	19:1	22:1
2010	23:1	18:1	22:1
2009	21:1	18:1	20:1
2008	21:1	18:1	21:1
2007	20:1	18:1	20:1
2006	19:1	18:1	22:1
2005	20:1	19:1	23:1
2004	18:1	19:1	21:1
2003	19:1	19:1	23:1
2002	18:1	19:1	21:1
2000	20:1	19:1	20:1
1999	21:1	19:1	21:1
1998	23:1	19:1	22:1
1997	21:1	19:1	21:1
1996	22:1	19:1	22:1
1995	20:1	19:1	20:1
1994	20:1	19:1	20:1
1993	19:1	20:1	19:1
1992	19:1	20:1	19:1
1991	18:1	20:1	18:1
1990	18:1	20:1	18:1

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American Indian

View Data

American Indian Student Percentage Comparison Over Years (1992-2023)
Year	Casa Grande Union High School	Arizona	CASA Grande Union High School District (4453)
2023	8%	5%	7%
2022	9%	5%	8%
2021	9%	5%	8%
2020	10%	6%	8%
2019	10%	6%	8%
2018	11%	6%	8%
2017	11%	6%	8%
2016	10%	5%	9%
2015	10%	5%	9%
2014	11%	5%	8%
2013	11%	5%	8%
2012	9%	5%	7%
2011	7%	7%	8%
2010	10%	6%	11%
2009	8%	6%	10%
2008	9%	5%	11%
2007	9%	6%	11%
2006	10%	7%	11%
2005	6%	7%	8%
2004	10%	8%	11%
2003	12%	8%	13%
2002	10%	8%	12%
2000	13%	8%	14%
1999	13%	7%	14%
1998	14%	7%	14%
1997	14%	7%	14%
1996	15%	7%	15%
1995	16%	7%	16%
1994	15%	7%	15%
1993	15%	7%	15%
1992	15%	8%	15%

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Asian

View Data

Asian Student Percentage Comparison Over Years (1992-2023)
Year	Casa Grande Union High School	Arizona	CASA Grande Union High School District (4453)
2023	1%	3%	1%
2022	1%	3%	1%
2021	1%	3%	1%
2020	1%	3%	1%
2019	1%	3%	1%
2016	1%	3%	1%
2014	1%	3%	1%
2013	1%	3%	1%
2012	1%	3%	1%
2011	1%	3%	1%
2010	2%	3%	2%
2009	2%	3%	2%
2008	1%	3%	1%
2007	1%	3%	1%
2006	1%	2%	1%
2005	1%	2%	1%
2004	1%	2%	1%
2002	1%	2%	1%
2000	1%	2%	1%
1999	1%	2%	1%
1998	1%	2%	1%
1997	1%	2%	1%
1996	1%	2%	1%
1995	1%	2%	1%
1992	1%	2%	1%

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Hispanic

59%

48%

View Data

Hispanic Student Percentage Comparison Over Years (1992-2023)
Year	Casa Grande Union High School	Arizona	CASA Grande Union High School District (4453)
2023	59%	47%	62%
2022	61%	47%	64%
2021	61%	46%	64%
2020	58%	45%	63%
2019	58%	45%	63%
2018	55%	45%	61%
2017	55%	45%	61%
2016	54%	45%	59%
2015	53%	45%	57%
2014	49%	44%	55%
2013	50%	43%	55%
2012	50%	43%	54%
2011	53%	42%	56%
2010	45%	41%	48%
2009	48%	41%	49%
2008	48%	42%	48%
2007	47%	41%	46%
2006	46%	39%	46%
2005	34%	38%	37%
2004	41%	37%	41%
2003	44%	36%	44%
2002	44%	35%	44%
2000	39%	33%	40%
1999	40%	32%	40%
1998	39%	31%	40%
1997	38%	30%	38%
1996	38%	30%	38%
1995	36%	29%	36%
1994	38%	28%	38%
1993	35%	27%	35%
1992	33%	25%	33%

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Black

View Data

Black Student Percentage Comparison Over Years (1992-2023)
Year	Casa Grande Union High School	Arizona	CASA Grande Union High School District (4453)
2023	4%	6%	4%
2022	4%	6%	4%
2021	4%	6%	4%
2020	3%	5%	3%
2019	3%	5%	3%
2018	4%	5%	4%
2017	4%	5%	4%
2016	4%	5%	4%
2015	5%	5%	4%
2014	4%	5%	5%
2013	4%	5%	5%
2012	5%	5%	6%
2011	4%	5%	5%
2010	6%	6%	6%
2009	6%	6%	6%
2008	5%	6%	5%
2007	6%	5%	6%
2006	4%	5%	4%
2005	4%	5%	5%
2004	4%	5%	5%
2003	4%	5%	5%
2002	4%	5%	4%
2000	3%	4%	3%
1999	3%	5%	3%
1998	4%	4%	4%
1997	3%	4%	3%
1996	3%	4%	3%
1995	3%	4%	3%
1994	3%	4%	3%
1993	3%	4%	3%
1992	4%	4%	4%

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White

20%

34%

View Data

White Student Percentage Comparison Over Years (1992-2023)
Year	Casa Grande Union High School	Arizona	CASA Grande Union High School District (4453)
2023	21%	35%	20%
2022	22%	35%	21%
2021	21%	36%	20%
2020	23%	38%	21%
2019	23%	38%	21%
2018	29%	38%	25%
2017	29%	38%	25%
2016	30%	39%	26%
2015	31%	40%	28%
2014	33%	41%	30%
2013	33%	42%	29%
2012	33%	42%	31%
2011	34%	42%	30%
2010	37%	44%	33%
2009	36%	44%	33%
2008	37%	44%	35%
2007	37%	45%	36%
2006	39%	47%	38%
2005	55%	48%	49%
2004	44%	48%	42%
2003	40%	49%	38%
2002	41%	50%	39%
2000	44%	53%	42%
1999	43%	54%	42%
1998	42%	56%	41%
1997	44%	57%	44%
1996	43%	57%	43%
1995	44%	58%	44%
1994	44%	59%	44%
1993	47%	60%	47%
1992	47%	61%	47%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Casa Grande Union High School	Arizona	CASA Grande Union High School District (4453)
2023	7%	4%	6%
2022	3%	4%	2%
2021	4%	4%	3%
2020	5%	3%	4%
2019	5%	3%	4%
2018	1%	3%	1%
2017	1%	3%	1%
2016	1%	3%	1%
2015	1%	2%	2%
2014	1%	2%
2013	1%	2%	2%

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All Ethnic Groups

0.60

0.66

View Data

Diversity Score Comparison Over Years (1992-2023)
Year	Casa Grande Union High School	Arizona	CASA Grande Union High School District (4453)
2023	0.60	0.65	0.57
2022	0.57	0.65	0.55
2021	0.58	0.66	0.55
2020	0.60	0.65	0.56
2019	0.60	0.65	0.56
2018	0.61	0.65	0.56
2017	0.61	0.65	0.56
2016	0.61	0.65	0.58
2015	0.62	0.64	0.59
2014	0.65	0.64	0.61
2013	0.63	0.64	0.60
2012	0.64	0.64	0.61
2011	0.60	0.65	0.60
2010	0.65	0.64	0.65
2009	0.64	0.64	0.64
2008	0.63	0.63	0.64
2007	0.64	0.63	0.65
2006	0.63	0.63	0.64
2005	0.58	0.62	0.62
2004	0.63	0.63	0.65
2003	0.64	0.63	0.65
2002	0.63	0.62	0.64
2000	0.64	0.62	0.65
1999	0.64	0.60	0.65
1998	0.66	0.59	0.66
1997	0.65	0.58	0.65
1996	0.65	0.58	0.65
1995	0.66	0.58	0.66
1994	0.65	0.57	0.65
1993	0.64	0.56	0.64
1992	0.65	0.56	0.65

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(22-23)

69%

77%

View Data

Graduation Rate Comparison Over Years (2013-2023)
Year	Casa Grande Union High School	Arizona	CASA Grande Union High School District (4453)
2023	69%	77%	72%
2022	77%	77%	79%
2021	75%	76%	78%
2020	77%	76%	79%
2019	83%	78%	83%
2018	82%	78%	83%
2017	79%	78%	81%
2016	75%	80%	77%
2015	73%	79%	74%
2014	82%	77%	71%
2013	81%	76%	73%

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Eligible for

48%

40%

View Data

Free Lunch Eligibility Comparison Over Years (2005-2023)
Year	Casa Grande Union High School	Arizona	CASA Grande Union High School District (4453)
2023	44%	39%	44%
2022	24%	29%	25%
2021	48%	42%	54%
2020	45%	43%	48%
2019	45%	43%	48%
2018	54%	42%	54%
2017	54%	42%	54%
2016	49%	33%	51%
2015	52%	34%	52%
2014	49%	36%	50%
2013	48%	37%	50%
2012	44%	36%	49%
2011	40%	36%	45%
2010	45%	38%	48%
2009	41%	39%	43%
2008	37%	29%	37%
2007	32%	32%	33%
2006	35%	37%	39%
2005	43%	40%	46%

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Eligible for

10%

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2004-2023)
Year	Casa Grande Union High School	Arizona	CASA Grande Union High School District (4453)
2023	8%	7%	8%
2021	5%	9%	8%
2020	7%	7%	8%
2019	7%	7%	8%
2018	5%	9%	7%
2017	5%	9%	7%
2016	7%	11%	9%
2015	11%	5%	12%
2014	8%	14%	10%
2013	12%	10%	14%
2012	12%	11%	12%
2011	11%	10%	11%
2010	11%	8%	12%
2009	11%	10%	11%
2008	9%	9%	9%
2007	9%	9%	9%
2006	6%	8%	5%
2005	7%	8%	7%
2004	5%	8%	5%

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School Statewide Testing

School District Name

CASA Grande Union High School District (4453)

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

School Notes

School Mascot: Cougars

Profile last updated: 02/09/2025

Frequently Asked Questions

What is Casa Grande Union High School's ranking?

Casa Grande Union High School is ranked #843 out of 1,956 schools, which ranks it among the top 50% of public schools in Arizona.

What schools are Casa Grande Union High School often compared to?

Casa Grande Union High Schoolis often viewed alongside schools like Vista Grande High School by visitors of our site.

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

21% of students have achieved math proficiency (compared to the 34% AZ state average), while 39% of students have achieved reading proficiency (compared to the 40% AZ state average).

What is the graduation rate of Casa Grande Union High School?

The graduation rate of Casa Grande Union High School is 69%, which is lower than the Arizona state average of 77%.

How many students attend Casa Grande Union High School?

1,970 students attend Casa Grande Union High School.

What is the racial composition of the student body?

59% of Casa Grande Union High School students are Hispanic, 20% of students are White, 8% of students are American Indian, 8% of students are Two or more races, 4% of students are Black, and 1% of students are Asian.

What is the student:teacher ratio of Casa Grande Union High School?

Casa Grande Union High School has a student ration of 22:1, which is higher than the Arizona state average of 17:1.

What grades does Casa Grande Union High School offer ?

Casa Grande Union High School offers enrollment in grades 9-12 (No virtual instruction).

What school district is Casa Grande Union High School part of?

Casa Grande Union High School is part of CASA Grande Union High School District (4453).

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Quick Stats (2025)

Grades: 9-12
Enrollment: 1,970 students
Student:Teacher Ratio: 22:1
Minority Enrollment: 80%
: 69% (Btm 50%)
: Top 50%
: 21% (Top 50%)
: 39% (Top 50%)
: 16% (Btm 50%)
Source: National Center for Education Statistics (NCES), AZ Dept. of Education