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Casa Grande Union High School

Public Grades 9-12

204^th

SchoolDigger Rank ?

of 271 Arizona High Schools

Better than 25% of Arizona high schools

Summary

Casa Grande Union High School is a public high school serving 1,970 students in grades 9-12 in Casa Grande, Arizona, which is part of the Casa Grande Union High School District. The school has consistently underperformed compared to the state average on standardized tests, with only 15% of 11th-grade students proficient or better in Science, 27% in English Language Arts, and 20% in Mathematics, compared to state averages of 19%, 40%, and 30%, respectively.

Casa Grande Union High School also has a lower four-year graduation rate, ranging from 72.9% to 78.4%, and a higher dropout rate, ranging from 5.2% to 7.4%, compared to the state average. The school has significant performance gaps among different student subgroups, with lower rankings for Hispanic students, English Language Learners, and students with disabilities compared to other subgroups. The school's per-student spending, ranging from $6,892 to $10,527, is lower than the state average, and it has a relatively high student-teacher ratio, ranging from 21.6 to 24.7.

Interestingly, the nearby Vista Grande High School and ASU Preparatory Academy - Casa Grande High School generally outperform Casa Grande Union High School on academic measures, graduation rates, and student group performance, suggesting that the challenges faced by Casa Grande Union High School may be unique to the school or the district. However, there are some signs of improvement in recent years, with the school's ranking and star rating from SchoolDigger improving from 1 star to 2 stars between the 2014-2015 and 2022-2023 school years.

1,912

Students ?

21.9

Student/teacher ratio ?

$10,527

Per pupil spending ?

52%

Free/discounted lunch ?

2730 N Trekell Rd
Casa Grande, AZ 85122-1019

(520) 836-8500

District: Casa Grande Union High School District

Feeder schools for Casa Grande Union High School:

Elementary:	Center for Online and Innovative Learning
	Cholla Elementary School
	Cottonwood Elementary School
	McCartney Ranch Elementary School
	More...
	Sacaton Elementary
	Saguaro Elementary School
Middle:	Sacaton Middle School
	Villago Middle School

Racial breakdown:

Hispanic:

60.3%

White:

19.9%

American Indian:

8.9%

See top rated Arizona high schools

Compare Casa Grande Union High School to nearby high schools!

At a glance

▼ Ranking trend: Recently slipping — 57th percentile in 2021 → 25th in 2025

Worth a look

!Test scores below the Arizona average (21% vs 30% meeting standards)

!In the lower quartile statewide (25th percentile)

!Ranking has slipped from its 57th-percentile peak (2021) to 25th (2025)

Students meeting standards (2024-2025) ?

This school21%

District avg19%

Arizona avg30%

204^th of 271

Arizona public high schools ?

Bottom 25%▲ up 11 pts since 2015

From bottom 13% (2015) to bottom 25% (2025)

See the entire ranking list of Arizona High Schools →

★★★★★

SchoolDigger rating ?

1^st of 2High Schools in the Casa Grande Union High School District

241^st of 289Casa Grande Union High School District among Arizona districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Arizona percentile	Rating
2025	23.0	204 of 271	24.7%	★☆☆☆☆
2024	20.6	209 of 270	22.6%	★☆☆☆☆
2023	33.7	277 of 469	40.9%	★★☆☆☆
2022	31.0	258 of 464	44.4%	★★☆☆☆
2021	46.9	221 of 509	56.6%	★★★☆☆
2019	20.3	217 of 285	23.9%	★☆☆☆☆
2018	28.8	251 of 420	40.2%	★★☆☆☆
2017	26.3	272 of 416	34.6%	★★☆☆☆
2016	33.3	222 of 406	45.3%	★★☆☆☆
2015	20.0	226 of 261	13.4%	★☆☆☆☆
2014	52.2	201 of 394	49.0%	★★☆☆☆
2013	61.4	203 of 491	58.7%	★★★☆☆
2012	70.6	142 of 471	69.9%	★★★★☆
2011	69.6	128 of 397	67.8%	★★★☆☆
2010	52.2	206 of 403	48.9%	★★☆☆☆
2009	62.1	162 of 395	59.0%	★★★☆☆

African American

Year	Avg score	Statewide rank	Arizona percentile	Rating
2023	17.3	177 of 201	11.9%	★☆☆☆☆
2022	49.7	117 of 301	61.1%	★★★☆☆
2021	28.8	195 of 306	36.3%	★★☆☆☆
2018	44.6	58 of 122	52.5%	★★★☆☆

Asian

Year	Avg score	Statewide rank	Arizona percentile	Rating
2023	20.0	119 of 146	18.5%	★☆☆☆☆
2022	50.4	115 of 238	51.7%	★★★☆☆
2021	68.0	74 of 231	68.0%	★★★☆☆

English Language Learner

Year	Avg score	Statewide rank	Arizona percentile	Rating
2022	41.7	53 of 258	79.5%	★★★★☆
2021	90.0	3 of 312	99.0%	★★★★★

Female

Year	Avg score	Statewide rank	Arizona percentile	Rating
2025	16.1	183 of 207	11.6%	★☆☆☆☆
2024	16.8	178 of 200	11.0%	★☆☆☆☆
2023	29.4	282 of 406	30.5%	★★☆☆☆
2022	29.5	276 of 456	39.5%	★★☆☆☆
2021	47.1	215 of 492	56.3%	★★★☆☆
2019	18.4	201 of 247	18.6%	★☆☆☆☆
2018	30.3	222 of 354	37.3%	★★☆☆☆

Foster Care

Year	Avg score	Statewide rank	Arizona percentile	Rating
2022	89.0	6 of 116	94.8%	★★★★★

Hispanic

Year	Avg score	Statewide rank	Arizona percentile	Rating
2025	24.7	134 of 176	23.9%	★☆☆☆☆
2024	18.6	141 of 170	17.1%	★☆☆☆☆
2023	30.3	251 of 379	33.8%	★★☆☆☆
2022	30.9	269 of 441	39.0%	★★☆☆☆
2021	44.1	222 of 479	53.7%	★★★☆☆
2019	24.1	140 of 183	23.5%	★☆☆☆☆
2018	32.0	191 of 311	38.6%	★★☆☆☆

Homeless

Year	Avg score	Statewide rank	Arizona percentile	Rating
2022	28.0	72 of 150	52.0%	★☆☆☆☆
2021	31.1	69 of 168	58.9%	★★☆☆☆
2018	42.6	15 of 26	42.3%	★★★☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Arizona percentile	Rating
2025	26.7	130 of 180	27.8%	★☆☆☆☆
2024	21.1	137 of 172	20.3%	★☆☆☆☆
2023	23.6	284 of 347	18.2%	★☆☆☆☆
2022	21.5	140 of 168	16.7%	★☆☆☆☆

Male

Year	Avg score	Statewide rank	Arizona percentile	Rating
2025	25.4	156 of 223	30.0%	★★☆☆☆
2024	19.0	173 of 219	21.0%	★☆☆☆☆
2023	32.6	263 of 429	38.7%	★★☆☆☆
2022	29.7	270 of 455	40.7%	★★☆☆☆
2021	45.3	223 of 492	54.7%	★★★☆☆
2019	20.1	191 of 238	19.7%	★☆☆☆☆
2018	27.6	235 of 370	36.5%	★★☆☆☆

Migrant

Year	Avg score	Statewide rank	Arizona percentile	Rating
2022	30.7	22 of 44	50.0%	★☆☆☆☆

Military Connected

Year	Avg score	Statewide rank	Arizona percentile	Rating
2023	43.8	46 of 74	37.8%	★★☆☆☆

Multi-racial

Year	Avg score	Statewide rank	Arizona percentile	Rating
2023	27.7	151 of 199	24.1%	★☆☆☆☆
2022	68.4	72 of 282	74.5%	★★★★☆
2021	64.4	109 of 374	70.9%	★★★★☆
2018	50.3	34 of 76	55.3%	★★★☆☆

Native American

Year	Avg score	Statewide rank	Arizona percentile	Rating
2023	11.6	125 of 128	2.3%	☆☆☆☆☆
2022	25.1	150 of 255	41.2%	★☆☆☆☆
2021	38.4	102 of 256	60.2%	★★★☆☆
2018	22.7	59 of 68	13.2%	★☆☆☆☆

Pacific Islander

Year	Avg score	Statewide rank	Arizona percentile	Rating
2022	20.1	80 of 129	38.0%	★★☆☆☆
2021	27.2	41 of 94	56.4%	★★★☆☆

Special Education

Year	Avg score	Statewide rank	Arizona percentile	Rating
2023	26.0	124 of 172	27.9%	★☆☆☆☆
2022	49.1	111 of 380	70.8%	★★★★☆
2021	94.6	12 of 422	97.2%	★★★★★
2018	70.9	21 of 155	86.5%	★★★★☆

White

Year	Avg score	Statewide rank	Arizona percentile	Rating
2025	19.7	154 of 178	13.5%	★☆☆☆☆
2024	26.3	141 of 184	23.4%	★☆☆☆☆
2023	32.9	254 of 371	31.5%	★★☆☆☆
2022	31.0	268 of 409	34.5%	★★☆☆☆
2021	52.4	204 of 448	54.5%	★★★☆☆
2019	20.9	175 of 217	19.4%	★☆☆☆☆
2018	33.0	183 of 291	37.1%	★★☆☆☆

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

Foster Care (2022)95th percentile+50 vs school

English Language Learner (2022)79th percentile+35 vs school

Homeless (2022)52nd percentile+8 vs school

Migrant (2022)50th percentile+6 vs school

Pacific Islander (2022)38th percentile-6 vs school

Military Connected (2023)38th percentile-3 vs school

Male (2025)30th percentile+5 vs school

Special Education (2023)28th percentile-13 vs school

Low Socio Economic Status (2025)28th percentile+3 vs school

Multi-racial (2023)24th percentile-17 vs school

Hispanic (2025)24th percentile~ school

Asian (2023)18th percentile-22 vs school

White (2025)13th percentile-11 vs school

African American (2023)12th percentile-29 vs school

Female (2025)12th percentile-13 vs school

Native American (2023)2nd percentile-39 vs school

By subject vs Arizona (2024-2025) ?

English Language Arts27%-13 vs state

Mathematics20%-10 vs state

Science15%-4 vs state

5.0

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What people are saying

by a parent
Monday, May 23, 2011

Union has excellent teachers and a wonderful AP program. Close Quote

Schools Near Casa Grande Union High School

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				AASA English Language Arts (2025)		AASA Mathematics (2025)	AzSCI Science (2025)		Per Pupil Expenditures (2022)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	AASA English Language Arts 8th Grade	AASA English Language Arts 11th Grade	AASA Mathematics 11th Grade	AzSCI Science 8th Grade	AzSCI Science 11th Grade	Per Pupil Expenditures: Total	Personnel Spending from Federal Funds	Non-Personnel Spending from Federal Funds	Sub-total from Federal Funds	Personnel Spending from State and Local Funds	Non-Personnel from State and Local Funds	Sub-total Spending from State and Local Funds
CAVIT - Casa Grande Union High School	Public	9-12	1362 N Casa Grande Ave	Casa Grande	85122	Pinal County	Central Arizona Valley Institute of Technology	No	(n/a)	No	No	(928) 645-2737	0				0 ()	0 ()	0 ()	0 ()	0 ()	0 ()	0 ()								(n/a)							$00			$00
Casa Grande Union High School	Public	9-12	2730 N Trekell Rd	Casa Grande	85122	Pinal County	Casa Grande Union High School District	No	(n/a)	No	Yes	(520) 836-8500	1,912	87	21.9		381 (19.9%)	76 (4.0%)	1,153 (60.3%)	11 (0.6%)	170 (8.9%)	3 (0.2%)	118 (6.2%)	23	204^th of 271 public high schools	24.7%		20.6	209^th of 270 public high schools	22.6%	5		27.0	20.0		15.0	$10,527	$675	$797	$2,147	$6,682	$2,373	$9,055
Pinnacle High School - Casa Grande	Public, Charter	9-12	2510 N Trekell Rd	Casa Grande	85122	Pinal County	Pinnacle Education-Casa Grande Inc.	Yes	(n/a)	No	No	(520) 423-2380	26	22	1.2		3 (11.5%)	4 (15.4%)	16 (61.5%)	0 (0.0%)	3 (11.5%)	0 (0.0%)	0 (0.0%)								(n/a)							$00			$00
Mission Heights Preparatory High School	Public, Charter	9-12	1376 E Cottonwood Ln	Casa Grande	85122	Pinal County	Kaizen Education Foundation dba Mission Heights Pr	Yes	(n/a)	No	Yes	(520) 836-9383	551	40	13.7		213 (38.7%)	23 (4.2%)	260 (47.2%)	11 (2.0%)	8 (1.5%)	7 (1.3%)	29 (5.3%)	42.4	137^th of 271 public high schools	49.4%		57.1	98^th of 270 public high schools	63.7%	39		51.0	29.0		16.0	$10,251	$889	$782	$2,561	$4,490	$4,091	$8,580
Leona Connected High School	Public, Virtual, Charter	9-12	1376 E Cottonwood Ln	Casa Grande	85122	Maricopa County	Kaizen Education Foundation dba Mission Heights Pr	Yes	(n/a)	Yes	No	(602) 396-5627	266	7	38.0		32 (12.0%)	30 (11.3%)	184 (69.2%)	1 (0.4%)	13 (4.9%)	0 (0.0%)	6 (2.3%)								(n/a)						$9,872	$00			$6,283	$3,590	$9,872
CAVIT - Vista Grande	Public	9-12	1556 N Arizola Rd	Casa Grande	85122	Pinal County	Central Arizona Valley Institute of Technology	No	(n/a)	No	No	(928) 645-2737	0				0 ()	0 ()	0 ()	0 ()	0 ()	0 ()	0 ()								(n/a)							$00			$00
Vista Grande High School	Public	9-12	1556 N Arizola Rd	Casa Grande	85122	Pinal County	Casa Grande Union High School District	No	(n/a)	No	Yes	(520) 876-9400	1,943	87	22.4		338 (17.4%)	87 (4.5%)	1,305 (67.2%)	20 (1.0%)	55 (2.8%)	5 (0.3%)	133 (6.8%)	20.5	216^th of 271 public high schools	20.3%		17.3	227^th of 270 public high schools	15.9%	11		26.0	19.0		12.0	$11,072	$719	$805	$2,244	$7,150	$2,397	$9,548
Pace	Public	9-12	1362 N Casa Grande Ave	Casa Grande	85122	Pinal County	Casa Grande Union High School District	No	(n/a)	No	(n/a)	(520) 836-6767	83	5	16.6		22 (26.5%)	11 (13.3%)	44 (53.0%)	0 (0.0%)	2 (2.4%)	0 (0.0%)	4 (4.8%)								(n/a)
PPEP TEC - Alice S. Paul Learning Center	Public, Charter	9-12	409 W McMurray Blvd	Casa Grande	85122	Pinal County	Portable Practical Educational Preparation Inc. (	Yes	(n/a)	No	Yes	(520) 836-6549	101	7	14.7		9 (8.9%)	8 (7.9%)	63 (62.4%)	0 (0.0%)	19 (18.8%)	2 (2.0%)	0 (0.0%)								(n/a)							$00			$00
ASU Preparatory Academy - Casa Grande High School	Public, Charter	7-12	2612 W Gila Bend Hwy	Casa Grande	85193	Pinal County	ASU Preparatory Academy - Casa Grande	Yes	(n/a)	No	No	(520) 374-4200	284	13	21.8		84 (29.6%)	25 (8.8%)	142 (50.0%)	14 (4.9%)	5 (1.8%)	2 (0.7%)	12 (4.2%)	62.5	84^th of 271 public high schools	69.0%		57.8	96^th of 270 public high schools	64.4%	12	66.0	58.0	37.0	45.0			$00			$00

Frequently Asked Questions about Casa Grande Union High School

How many students attend Casa Grande Union High School?

In the 2024-25 school year, 1,912 students attended Casa Grande Union High School.

What is the racial makeup of Casa Grande Union High School?

Students at Casa Grande Union High School are 60% Hispanic, 20% White, 9% American Indian, 6% Two or more races, 4% African American.

What schools feed into Casa Grande Union High School?

Casa Grande Union High School is fed by the following schools:

Elementary : Center for Online and Innovative Learning
Elementary : Cholla Elementary School
Elementary : Cottonwood Elementary School
Elementary : McCartney Ranch Elementary School
Elementary : Sacaton Elementary
Elementary : Saguaro Elementary School
Middle : Sacaton Middle School
Middle : Villago Middle School

What district is Casa Grande Union High School in?

Casa Grande Union High School District

Is Casa Grande Union High School a good school?

Casa Grande Union High School ranks in the bottom 24.7% of Arizona high schools.

Rate Casa Grande Union High School!

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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Arizona Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.