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Very Good

#2087 of 9,539 schools in CA

Top 22% in state

Cosumnes Oaks High

High School · Elk Grove Unified

8350 Lotz Pkwy., Elk Grove, CA 95757

Enrollment

2,151

Student-Teacher

22.2:1

Score

7.7

Grades

9th – 12th

Data vintage2022-23

How this school compares

California schools

#2,087 of 9,539

In Elk Grove

#13 of 38

public schools

In district

#14 of 67

Elk Grove Unified

Academic growth

8.0 / 10

Excellent

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Cosumnes Oaks High

7.7/10

High School in Elk Grove · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Elizabeth Pinkerton Middle

8.4/10

0.2 mi away. Use as a geographic alternative in the same move search.

Zehnder Ranch Elementary

8.6/10

0.5 mi away. Use as a geographic alternative in the same move search.

About Cosumnes Oaks High

Cosumnes Oaks High is a public high school in Elk Grove, CA, part of Elk Grove Unified. Cosumnes Oaks High serves approximately 2,151 students, and covers grades 9th-12th, and has a 22.2:1 student-teacher ratio. Cosumnes Oaks High has a current MySchoolScout rating of 7.7 out of 10 and ranks #2,087 of 9,539 schools in CA.

Structured state assessment records for Cosumnes Oaks High show 56% math proficiency (multi-year average, 2009-2024) and 69% reading/ELA proficiency (multi-year average, 2009-2024).

How it compares1.2 pts above district
  • This school 7.7 · Very Good
  • District avg 6.5
  • CA avg 6.5

What Parents Should Know

Cosumnes Oaks High is a large school: 2,151 students. Size usually brings more course choices and activities than a smaller school can staff, but kids can also blend into the crowd. Ask how the school keeps students known and supported.

Cosumnes Oaks High runs 22.2:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress8.0Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-0.79 pts/yr
Data Period2009–2024
TrendStable
Academics7.6Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency41.7% (2024 CAASPP)
Reading/ELA Proficiency66.8% (2024 CAASPP)
Math vs. State Avg+13.7 pts
Reading vs. State Avg+10.9 pts
Overall Proficiency54% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)55% (model expectation from 2024 CAASPP)
vs. Expected-1.2 pts
Adjusted Percentile64th
College Readiness8.0Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate96%
AP Participation29%
IB ProgramNo
Resources & Environment6.9Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio22.2:1
Per-Pupil Spending$15,966
Chronic Absenteeism18%

Cosumnes Oaks High — Students at Cosumnes Oaks High score 54% proficient, which is below what's typical for similar communities (expected: 55%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

33.7%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 55.6% (multi-year average, 2009-2024)
School
State
31.8% (2024 CAASPP)
ELA Proficiency 69.2% (multi-year average, 2009-2024)
School
State
51.5% (2024 CAASPP)

Based on 30 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
61%
ELA
68%
2010
Math
69%
ELA
76%
2011
Math
67%
ELA
66%
2012
Math
70%
ELA
65%
2013
Math
73%
ELA
63%
2014
Math
49%
ELA
73%
2015
Math
48%
ELA
68%
2016
Math
49%
ELA
72%
2017
Math
43%
ELA
66%
2018
Math
53%
ELA
71%
2019
Math
53%
ELA
71%
2020*
Math
58%
ELA
73%
2021*
Math
58%
ELA
73%
2024
Math
41.7%
ELA
66.8%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 8.0/10.

How Cosumnes Oaks High Compares

See how Cosumnes Oaks High performs across key quality dimensions compared to state benchmarks.

Overall Score
7.7/10
78th percentile in CA
Academic
7.6/10
Very Good
Growth
8.0/10
Excellent
Environment
6.9/10
Average
AP Courses
3
State avg: 2.6
Sports
13
7 boys' · 6 girls'
Advanced STEM
5/5
Subjects offered
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
34%
Teaching Staff
22:1 student-teacher ratio
97 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
18.0%

Programs & Offerings

AP/IB Programs3 AP courses offered
29% participation·State avg: 2.6 AP courses·CRDC 2021-22
Athletics13sports offered
7 boys'·6 girls'·25 teams (incl. JV)·CRDC 2021-22
Advanced STEM Courses5 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22
Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

8350 Lotz Pkwy., Elk Grove, CA 95757

Nearby Alternatives

Families considering Cosumnes Oaks High may also want to explore other high schools in the area. Franklin High (rated 6.8/10, 1.8 miles away), with a comparable rating. Additionally, Elk Grove High (rated 6.1/10, 1.3 miles away), a more accessible option. For more schools in Elk Grove, see our Elk Grove schools guide .

Nearby Schools

20 within 2.1 mi
School Distance Rating
Elizabeth Pinkerton Middle Elk Grove 0.2 mi 8.4
Zehnder Ranch Elementary Elk Grove 0.5 mi 8.6
Miwok Village Elementary Elk Grove 0.7 mi 7.3
Ellen Feickert Elementary Elk Grove 1.4 mi 6.7
Elitha Donner Elementary Elk Grove 1.4 mi 4.9
ELK GROVE MONTESSORI SCHOOL Elk Grove 1.4 mi
Elk Grove High Elk Grove 1.3 mi 6.1
Jessie Baker Elk Grove 1.4 mi 4.2
California Montessori Project - Elk Grove Campus Carmichael 1.4 mi 7.5
Arlene Hein Elementary Elk Grove 1.4 mi 7.0
Joseph Kerr Middle Elk Grove 1.5 mi 7.6
Harriet G. Eddy Middle Elk Grove 1.7 mi 7.0
James A. McKee Elementary Elk Grove 1.8 mi 5.1
Florence Markofer Elementary Elk Grove 1.6 mi 5.4
ST ELIZABETH ANN SETON CATHOLIC SCHOOL Elk Grove 1.7 mi 6.2
St Elizabeth Ann Seton Catholic School Elk Grove 1.7 mi
Jerusalem Arise Christian Academy Elk Grove 1.9 mi
Franklin High Elk Grove 1.8 mi 6.8
Toby Johnson Middle Elk Grove 1.9 mi 8.0
Carroll Elementary Elk Grove 2.1 mi 8.3

Neighborhood Census ACS (2019-2023)

Census data for ZIP 95757 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$133,443

Median Home Value

$648,100

Median Rent

$2,470/mo

Population

54,535

College Educated

41.5%

Homeownership

72.6%

Avg Commute

32.8 min

Poverty Rate

9.4%

Median Age

38.2

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Colton High Colton, CA 7.7
Corona del Mar High Costa Mesa, CA 7.7
Crescenta Valley High La Crescenta, CA 7.7
Dos Pueblos Senior High Goleta, CA 7.7
Eastlake High Chula Vista, CA 7.7
Edison High Fresno, CA 7.7

Frequently Asked Questions

Common questions about Cosumnes Oaks High

What grades does Cosumnes Oaks High serve?

Cosumnes Oaks High serves students in grades 9th through 12th.

How many students attend Cosumnes Oaks High?

Cosumnes Oaks High has an enrollment of approximately 2,151 students.

What is the student-teacher ratio at Cosumnes Oaks High?

The student-teacher ratio at Cosumnes Oaks High is 22.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Cosumnes Oaks High rank in CA?

Cosumnes Oaks High ranks #2,087 of 9,539 schools in CA.

What is Cosumnes Oaks High's MySchoolScout rating?

Cosumnes Oaks High has a current MySchoolScout rating of 7.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Cosumnes Oaks High?

Based on loaded state assessment records, Cosumnes Oaks High has 56% math proficiency (multi-year average, 2009-2024) and 69% reading/ELA proficiency (multi-year average, 2009-2024).

Is Cosumnes Oaks High a charter school?

No, Cosumnes Oaks High is not a charter school. It is a traditional public school operated by the local school district.

Is Cosumnes Oaks High a Title I school?

No, Cosumnes Oaks High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Cosumnes Oaks High?

33.7% of students at Cosumnes Oaks High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
18 Car-Dependent
Bike Score
40 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
2,151
Student-Teacher Ratio
22.2:1
Teachers (FTE)
97
Free/Reduced Lunch
33.7%
Type
regular
Setting
Large Suburb
County
Sacramento County
Chronic Absenteeism (SY 2022-23)
18.0%
4-Year Graduation
96.0%

District

Elk Grove Unified
District Enrollment
62,603
Schools in District
67
Per-Pupil Spending
$15,966
District Rank
#14 of 67

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