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Cosumnes Oaks High

Q: Is Cosumnes Oaks High a good school?

Cosumnes Oaks High ranks 442 nd of 2162 California high schools. SchoolDigger rates this school 4 stars out of 5.

Public Grades 9-12

442^nd

SchoolDigger Rank ?

of 2,162 California High Schools

Better than 80% of California high schools

Summary

Cosumnes Oaks High is a public high school located in Elk Grove, California, serving grades 9-12 with a total enrollment of 2,151 students. It is part of the Elk Grove Unified School District, which is ranked 562 out of 1,543 districts in California and has a 3-star rating from SchoolDigger. Cosumnes Oaks High has consistently maintained a 4-star rating from SchoolDigger over the past several years, indicating strong academic performance.

Cosumnes Oaks High consistently outperforms the Elk Grove Unified School District and the state of California in standardized test scores. In the 2024-2025 school year, 65.82% of 11th-grade students were proficient or better in English Language Arts/Literacy, compared to 56.31% for the district and 56.96% for the state. In mathematics, 42.46% of 11th-grade students were proficient or better, compared to 34.07% for the district and 30.5% for the state. The school has also maintained high four-year graduation rates, ranging from 86.2% to 98.6% over the past few years, outperforming the district's graduation rates. Additionally, Cosumnes Oaks High has shown strong performance across various student subgroups, including African American, Hispanic, and English Language Learner students.

While Cosumnes Oaks High has experienced higher chronic absenteeism rates compared to the district and state averages, the school has shown improvement over time, with the rate decreasing from 24.9% in 2022-2023 to 14.6% in 2023-2024. The school's ability to maintain high academic achievement despite demographic and funding challenges is a testament to the dedication and effectiveness of its educators and the support of the Elk Grove Unified School District. Cosumnes Oaks High outperforms many of the nearby high schools in the district, including Florin High, Valley High, and Monterey Trail High, in terms of academic performance, graduation rates, and subgroup outcomes.

2,109

Students ?

21.4

Student/teacher ratio ?

$21,168

Per pupil spending ?

38.9%

Free/discounted lunch ?

8350 Lotz Pkwy.
Elk Grove, CA 95757

(916) 683-7670

District: Elk Grove Unified

Feeder schools for Cosumnes Oaks High:

Elementary:	Elliott Ranch Elementary
	Franklin Elementary
	Zehnder Ranch Elementary
Middle:	Elizabeth Pinkerton Middle

Racial breakdown:

Asian:

43.1%

Hispanic:

19.9%

White:

13.7%

See top rated California high schools

Compare Cosumnes Oaks High to nearby high schools!

At a glance

▼ Ranking trend: Declining — 88th percentile in 2015 → 80th in 2025

Strengths

✓Test scores above the California average (50% vs 41% meeting standards)

✓Ranks in the top 20% of California high schools

✓96% graduate in 4 years — above the California average (88%)

Worth a look

!Ranking has slipped — down 8 percentile points since 2015

!Some student groups rank well below the school's overall statewide standing

Students meeting standards (2024-2025) ?

This school50%

District avg46%

California avg41%

442^nd of 2,162

California public high schools ?

Top 20%▼ down 8 pts since 2015

From top 12% (2015) to top 20% (2025)

See the entire ranking list of California High Schools →

★★★★★

SchoolDigger rating ?

3^rd of 13High Schools in the Elk Grove Unified

562^nd of 1,543Elk Grove Unified among California 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	California percentile	Rating
2025	78.4	442 of 2162	79.6%	★★★★☆
2024	86.0	307 of 2159	85.8%	★★★★☆
2023	88.3	252 of 2170	88.4%	★★★★☆
2022	86.0	268 of 2123	87.4%	★★★★☆
2021	87.0	171 of 1290	86.7%	★★★★☆
2019	88.1	217 of 2133	89.8%	★★★★☆
2018	81.7	378 of 2017	81.3%	★★★★☆
2017	85.6	297 of 2021	85.3%	★★★★☆
2016	84.7	291 of 2039	85.7%	★★★★☆
2015	86.7	239 of 1994	88.0%	★★★★☆
2013	64.4	438 of 2426	81.9%	★★★★☆
2012	62.4	478 of 2354	79.7%	★★★★☆
2011	64.6	407 of 2367	82.8%	★★★★☆
2010	57.2	573 of 2281	74.9%	★★★★☆
2009	80.3	109 of 2238	95.1%	★★★★★

African American

Year	Avg score	Statewide rank	California percentile	Rating
2025	52.9	211 of 523	59.7%	★★★☆☆
2024	53.8	192 of 517	62.9%	★★★☆☆
2023	66.8	141 of 521	72.9%	★★★★☆
2022	81.3	69 of 522	86.8%	★★★★☆
2019	64.5	157 of 592	73.5%	★★★★☆
2018	59.4	199 of 582	65.8%	★★★☆☆

Asian

Year	Avg score	Statewide rank	California percentile	Rating
2025	47.4	353 of 585	39.7%	★★☆☆☆
2024	64.6	245 of 573	57.2%	★★★☆☆
2023	61.3	272 of 591	54.0%	★★★☆☆
2022	59.1	273 of 581	53.0%	★★★☆☆
2019	71.6	177 of 582	69.6%	★★★☆☆
2018	52.5	320 of 581	44.9%	★★☆☆☆

Disabled

Year	Avg score	Statewide rank	California percentile	Rating
2022	66.8	224 of 1161	80.7%	★★★★☆
2021	76.9	75 of 555	86.5%	★★★★☆
2019	40.9	541 of 1117	51.6%	★★★☆☆
2018	68.7	201 of 1052	80.9%	★★★★☆

English Language Learner

Year	Avg score	Statewide rank	California percentile	Rating
2024	86.7	55 of 1085	94.9%	★★★★★
2023	84.9	48 of 1064	95.5%	★★★★★
2022	80.7	57 of 1044	94.5%	★★★★★
2021	93.1	23 of 467	95.1%	★★★★★
2019	71.9	106 of 941	88.7%	★★★★☆
2018	77.4	109 of 938	88.4%	★★★★☆

Female

Year	Avg score	Statewide rank	California percentile	Rating
2025	74.5	453 of 1906	76.2%	★★★★☆
2024	82.0	326 of 1915	83.0%	★★★★☆
2023	84.9	271 of 1915	85.8%	★★★★☆
2022	86.4	224 of 1858	87.9%	★★★★☆
2021	86.3	137 of 1054	87.0%	★★★★☆
2019	85.7	231 of 1833	87.4%	★★★★☆
2018	77.6	392 of 1760	77.7%	★★★★☆

Hispanic

Year	Avg score	Statewide rank	California percentile	Rating
2025	69.0	507 of 1900	73.3%	★★★★☆
2024	74.4	395 of 1902	79.2%	★★★★☆
2023	88.1	169 of 1917	91.2%	★★★★★
2022	83.8	208 of 1861	88.8%	★★★★☆
2019	86.2	168 of 1814	90.7%	★★★★★
2018	78.1	345 of 1742	80.2%	★★★★☆

Low Socio Economic Status

Year	Avg score	Statewide rank	California percentile	Rating
2025	80.0	331 of 2013	83.6%	★★★★☆
2024	80.1	335 of 2026	83.5%	★★★★☆
2023	86.1	233 of 2030	88.5%	★★★★☆
2022	86.9	191 of 1943	90.2%	★★★★★
2021	82.0	161 of 1126	85.7%	★★★★☆
2019	81.2	270 of 1937	86.1%	★★★★☆
2018	69.5	526 of 1862	71.8%	★★★★☆

Male

Year	Avg score	Statewide rank	California percentile	Rating
2025	78.5	387 of 1942	80.1%	★★★★☆
2024	86.3	262 of 1948	86.6%	★★★★☆
2023	88.4	233 of 1963	88.1%	★★★★☆
2022	82.1	292 of 1916	84.8%	★★★★☆
2021	84.9	172 of 1122	84.7%	★★★★☆
2019	85.7	236 of 1880	87.4%	★★★★☆
2018	81.4	336 of 1834	81.7%	★★★★☆

Multi-racial

Year	Avg score	Statewide rank	California percentile	Rating
2025	47.7	318 of 577	44.9%	★★☆☆☆
2024	33.7	391 of 574	31.9%	★★☆☆☆
2023	37.5	348 of 541	35.7%	★★☆☆☆
2022	51.0	257 of 515	50.1%	★★★☆☆
2019	60.2	169 of 422	60.0%	★★★☆☆
2018	43.3	221 of 366	39.6%	★★☆☆☆

Special Education

Year	Avg score	Statewide rank	California percentile	Rating
2025	52.0	449 of 1252	64.1%	★★★☆☆
2024	27.6	889 of 1216	26.9%	★☆☆☆☆
2023	66.0	257 of 1197	78.5%	★★★★☆

White

Year	Avg score	Statewide rank	California percentile	Rating
2025	37.9	757 of 1155	34.5%	★★☆☆☆
2024	69.7	351 of 1173	70.1%	★★★★☆
2023	67.7	375 of 1193	68.6%	★★★☆☆
2022	62.5	429 of 1204	64.4%	★★★☆☆
2019	83.8	149 of 1222	87.8%	★★★★☆
2018	79.3	237 of 1173	79.8%	★★★★☆

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)

English Language Learner (2024)95th percentile+9 vs school

Low Socio Economic Status (2025)84th percentile+4 vs school

Disabled (2022)81st percentile-7 vs school

Male (2025)80th percentile~ school

Female (2025)76th percentile-3 vs school

Hispanic (2025)73rd percentile-6 vs school

Special Education (2025)64th percentile-15 vs school

African American (2025)60th percentile-20 vs school

Multi-racial (2025)45th percentile-35 vs school

Asian (2025)40th percentile-40 vs school

White (2025)34th percentile-45 vs school

By subject vs California (2024-2025) ?

English Language Arts/Literacy66%+17 vs state

Mathematics42%+5 vs state

Science41%+8 vs state

★

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Schools Near Cosumnes Oaks High

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Ranking:

E Elementary M Middle H High A Alternative P Private

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

School													Students/Teachers											Ranking (2025)				Ranking (2024)				CAST Science (2025)				Smarter Balanced Assessments English Language Arts/Literacy (2025)				Smarter Balanced Assessments Mathematics (2025)				Per Pupil Expenditures (2025)
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	CAST Science 8th Grade	CAST Science 11th Grade	CAST Science 12th Grade	CAST Science All Grades	Smarter Balanced Assessments English Language Arts/Literacy 7th Grade	Smarter Balanced Assessments English Language Arts/Literacy 8th Grade	Smarter Balanced Assessments English Language Arts/Literacy 11th Grade	Smarter Balanced Assessments English Language Arts/Literacy All Grades	Smarter Balanced Assessments Mathematics 7th Grade	Smarter Balanced Assessments Mathematics 8th Grade	Smarter Balanced Assessments Mathematics 11th Grade	Smarter Balanced Assessments Mathematics All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Cosumnes Oaks High	Public	9-12	8350 Lotz Pkwy.	Elk Grove	95757	Sacramento County	Elk Grove Unified	No	(n/a)	No	(n/a)	(916) 683-7670	2,109	98	21.4	38.9%	289 (13.7%)	246 (11.7%)	420 (19.9%)	909 (43.1%)	7 (0.3%)	15 (0.7%)	223 (10.6%)	78.4	442^nd of 2162 public high schools	79.6%		86	307^th of 2159 public high schools	85.8%	135		41.3	21.4	40.7			65.8	65.8			42.5	42.5	$21,168	$20,828	$340
Elk Grove High	Public	9-12	9800 Elk Grove-Florin Rd.	Elk Grove	95624	Sacramento County	Elk Grove Unified	No	(n/a)	No	(n/a)	(916) 686-7741	1,684	82	20.4	46.9%	578 (34.3%)	118 (7.0%)	499 (29.6%)	276 (16.4%)	10 (0.6%)	34 (2.0%)	169 (10.0%)	60	822^nd of 2162 public high schools	62.0%		60.9	747^th of 2159 public high schools	65.4%	75		32.7	7.7	31.8			50.7	50.7			32.1	32.1	$24,928	$24,472	$456
Franklin High	Public	9-12	6400 Whitelock Pkwy.	Elk Grove	95757	Sacramento County	Elk Grove Unified	No	(n/a)	No	(n/a)	(916) 714-8150	2,650	112	23.5	39.9%	382 (14.4%)	268 (10.1%)	521 (19.7%)	1,123 (42.4%)	6 (0.2%)	25 (0.9%)	325 (12.3%)	80	412^th of 2162 public high schools	80.9%		78.5	430^th of 2159 public high schools	80.1%	18		47.6		47.6			58.0	58.0			48.1	48.1	$19,767	$19,444	$323
Elk Grove Charter	Public, Charter	7-12	10065 Atkins Dr.	Elk Grove	95757	Sacramento County	Elk Grove Unified	Yes	(n/a)	No	(n/a)	(916) 714-1653	262	14	19.2	57.3%	62 (23.7%)	35 (13.4%)	99 (37.8%)	30 (11.5%)	0 (0.0%)	4 (1.5%)	32 (12.2%)	36.3	1350^th of 2162 public high schools	37.6%		41.9	1195^th of 2159 public high schools	44.7%	155	24.2	22.8		22.2	42.3	51.5	39.2	42.8	36.0	21.2	15.2	20.4	$214	$02	$212
Laguna Creek High	Public	9-12	9050 Vicino Dr.	Elk Grove	95758	Sacramento County	Elk Grove Unified	No	(n/a)	No	(n/a)	(916) 683-1339	2,142	100	21.4	51.9%	337 (15.7%)	289 (13.5%)	614 (28.7%)	612 (28.6%)	12 (0.6%)	30 (1.4%)	248 (11.6%)	58.9	852^nd of 2162 public high schools	60.6%		65.5	641^st of 2159 public high schools	70.3%	211		31.9		31.9			56.4	56.4			25.8	25.8	$21,831	$21,438	$393
Monterey Trail High	Public	9-12	8661 Power Inn Rd.	Elk Grove	95624	Sacramento County	Elk Grove Unified	No	(n/a)	No	(n/a)	(916) 688-0050	2,263	104	21.7	67.8%	130 (5.7%)	352 (15.6%)	513 (22.7%)	992 (43.8%)	13 (0.6%)	82 (3.6%)	181 (8.0%)	59.1	847^th of 2162 public high schools	60.8%		49.6	1006^th of 2159 public high schools	53.4%	159		32.2	13.0	31.3			52.8	52.8			29.3	29.3	$21,626	$20,796	$830
Pleasant Grove High	Public	9-12	9531 Bond Rd.	Elk Grove	95624	Sacramento County	Elk Grove Unified	No	(n/a)	No	(n/a)	(916) 686-0230	2,536	113	22.3	33.5%	741 (29.2%)	130 (5.1%)	447 (17.6%)	896 (35.3%)	17 (0.7%)	21 (0.8%)	284 (11.2%)	91.3	178^th of 2162 public high schools	91.8%		89.2	247^th of 2159 public high schools	88.6%	69		56.7	27.8	55.8			72.8	72.8			59.4	59.4	$20,487	$20,116	$371
Calvine High	Public	9-12	8333 Vintage Park Dr.	Sacramento	95828	Sacramento County	Elk Grove Unified	No	(n/a)	No	(n/a)	(916) 689-7502	137	11	13.0	81.8%	17 (12.4%)	30 (21.9%)	51 (37.2%)	20 (14.6%)	2 (1.5%)	3 (2.2%)	14 (10.2%)	9.4	2045^th of 2162 public high schools	5.4%		11.5	1972^nd of 2159 public high schools	8.7%	73		2.8	0.0	2.3			11.1	11.1			0.0	0.0	$41,722	$40,804	$918
SAVA - Sacramento Academic and Vocational Academy - EGUSD	Public, Charter	7-12	3141 Dwight Rd. Ste. 400	Elk Grove	95758	Sacramento County	SAVA - Sacramento Academy and Vocational Academy - EGUSD Di	Yes	(n/a)	No	(n/a)	(916) 428-3200	360	22	16.0	67.5%	46 (12.8%)	50 (13.9%)	194 (53.9%)	22 (6.1%)	1 (0.3%)	4 (1.1%)	36 (10.0%)	29.4	1498^th of 2162 public high schools	30.7%		21.5	1670^th of 2159 public high schools	22.6%	172	6.3	15.2	20.8	14.0	21.4	12.5	41.2	35.6	7.1	0.0	3.9	3.8	$33,950	$32,698	$1,252
Valley High	Public	9-12	6300 Ehrhardt Ave.	Sacramento	95823	Sacramento County	Elk Grove Unified	No	(n/a)	No	(n/a)	(916) 689-6500	1,622	83	19.6	78.5%	71 (4.4%)	183 (11.3%)	739 (45.6%)	504 (31.1%)	4 (0.2%)	47 (2.9%)	74 (4.6%)	47.7	1079^th of 2162 public high schools	50.1%		36.6	1326^th of 2159 public high schools	38.6%	247		21.8	4.6	20.8			53.0	53.0			23.3	23.3	$24,622	$23,518	$1,104

Frequently Asked Questions about Cosumnes Oaks High

What district is Cosumnes Oaks High in?

Elk Grove Unified

What schools feed into Cosumnes Oaks High?

Cosumnes Oaks High is fed by the following schools:

Elementary : Elliott Ranch Elementary
Elementary : Franklin Elementary
Elementary : Zehnder Ranch Elementary
Middle : Elizabeth Pinkerton Middle

Is Cosumnes Oaks High a good school?

Cosumnes Oaks High ranks 442^nd of 2162 California high schools. SchoolDigger rates this school 4 stars out of 5.

What is the racial makeup of Cosumnes Oaks High?

Students at Cosumnes Oaks High are 43% Asian, 20% Hispanic, 14% White, 12% African American, 11% Two or more races.

How many students attend Cosumnes Oaks High?

In the 2024-25 school year, 2,109 students attended Cosumnes Oaks High.

Rate Cosumnes Oaks High!

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Latest California data All new data »

2024–25 school spending dataJul 1, 2026

2024–25 attendance dataMar 13, 2026

2024–25 CSA Spanish test scoresDec 22, 2025

2024–25 dropout rates & graduation ratesNov 14, 2025

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