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SCHOOL COMMUNITY·PLACER UNION HIGH·NCES 063075004782

Del Oro High

3301 Taylor Rd., Loomis, CA 95650 · (916) 652-7243 · Placer County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL1,634 STUDENTS
B
allk12 Grade
Scored higher than 57% of California public high schools
  • ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • FThree-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public high schools

Enrollment
1,634
High
DISTRICT 653 · STATE 838
Student : Teacher
24.3:1
67 FTE teachers
DISTRICT 20.7:1 · STATE 18.2:1
Free / Reduced Lunch
13%
210 students
DISTRICT 33% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 944627%
Grade 1040024%
Grade 1139824%
Grade 1239024%
Student demographics
43%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 49% · STATE 62% · US 70%
White
1,20073%
DISTRICT 68% · STATE 20% · US 43%
Hispanic
21313%
DISTRICT 18% · STATE 56% · US 30%
Black
50%
DISTRICT 1% · STATE 5% · US 15%
Asian
463%
DISTRICT 2% · STATE 12% · US 6%
Two+
1499%
DISTRICT 9% · STATE 6% · US 5%
Native American
161%
DISTRICT 1% · STATE 0% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
83251%
Female
79749%

Discussions

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
72.9%
CA avg 49.1% . -3.1pp since 2014
Math
55.1%
CA avg 37.7% . +0.1pp since 2014

What this means: On the CAASPP, California's statewide test, about 73 of every 100 students at this school read and write at grade level and about 55 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 3 points since 2014, while math scores have held steady.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts37.5%35.3%18.4%8.8%
Math22.2%32.9%24.7%20.3%
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.

CAASPP results by year

School yearEnglish Language ArtsMath
2024-2572.9%55.1%
2023-2482.4%55.4%
2022-2382.3%63.2%
2021-2286.3%64.4%
2020-2184.5%49.7%
2018-1973.6%45.3%
2017-1882.1%52.8%
2016-1784.2%63.1%
2015-1682.0%61.0%
2014-1576.0%55.0%
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
66.4%
composite math + reading, all grades
Predicted
72.0%
based on CA schools with similar FRL share
Beats by
-5.6pp
below demographic expectation

What this means: About 66% of students here test proficient in math and reading, compared with the roughly 72% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Del Oro High

Del Oro High's state test result (66.4% proficient) is higher than 5 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Del Oro High this school1,63412.9%66.4%
Archie Williams High
San Anselmo
1,14110.3%57.0%
Tamalpais High
Mill Valley
1,47011.8%64.3%
La Costa Canyon High
Carlsbad
1,77418.3%58.5%
Redwood High
Larkspur
1,7228.2%65.7%
Ponderosa High
Shingle Springs
1,67517.8%60.3%
Matched among California high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Del Oro High ranks

Among high schools
MeasureThis schoolIn CaliforniaIn Placer County
State test proficiency
ranked highest first
66.4%#108 of 1,052#2 of 14
Math proficiency
ranked highest first
55.1%#121 of 1,056
▼ 11
#3 of 14
▼ 1
Reading proficiency
ranked highest first
72.9%#193 of 1,056
▼ 119
#2 of 14
▼ 1
3-year test score change
ranked biggest drop first
-11.4pp#29 of 1,044#1 of 13
Enrollment
ranked largest first
1,634#489 of 2,093#6 of 19
Students per teacher
ranked fewest first
24.3:1#1,136 of 1,352#13 of 14
Diversity index
ranked most diverse first
43.1%#789 of 1,351#13 of 14
Free and reduced lunch
ranked highest share first
12.9%#1,531 of 1,575#18 of 18
Enrollment change since 2017-18
ranked steepest decline first
-6.7%#568 of 802#6 of 9
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
1,634
-100 (-6%) vs 2020
+41% since 1990-91, when it was 1,161
Student : Teacher
24.3:1
was 26.3:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,63467.324.3:113% (210)
2023-241,62266.924.2:113% (214)
2022-231,62069.523.3:112% (190)
2020-211,7346626.3:112% (208)
2017-181,7527224.3:116% (279)
2015-161,7156725.6:113% (226)
2010-111,696N/AN/A13% (225)
2000-011,5246822.4:18% (125)
1990-911,1614625.2:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Del Oro High.

Since 2017-18: students down 7% (1,752 to 1,634); teachers down 7% (72 to 67.3).

About Del Oro High

Del Oro High is a large high school in Loomis, California, one of the schools in Placer Union High. It reported 1,634 students in grades 9 through 12 in 2024-25. High schools in California have about 838 students on average; enrollment here is 95% higher.

Del Oro High is part of a district of 6 schools: Placer Union High, with 3,918 students.

The share of White students at Del Oro High is 73%, a majority. It is also 13% Hispanic, 9% multiracial, and 3% Asian. On a 0 to 100 scale, the school's diversity index is 43, compared with 70 nationally.

Staffing at Del Oro High comes to 67.3 full-time-equivalent teachers, or 24.3:1. High schools in California have an average ratio of 18.2:1. On the income side, 13% of students qualify for free or reduced-price lunch. That rate is below the 33% average among public schools in Placer County.

Del Oro High holds a B allk12 Grade, placing it above 57% of California public high schools.

Schools in California with a similar free or reduced-price lunch share are predicted to score about 72.0%. Del Oro High scores 66.4%.

In Placer County, the median household earns about $115,998 a year, about 43% of adults have at least a bachelor's degree, and the poverty rate is about 5%. Across Placer County, 123 public schools serve about 70,590 students.

Del Oro High is about 0.6 miles from Loomis Elementary, its nearest public school. Within five miles are at least 8 other public schools. In a group of 9 nearby schools with scores, Del Oro High ranks 5th on average proficiency.

NCES describes the area around Del Oro High as Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

The school's student count decreased 6% between the 2020-21 and 2024-25 school years. The number of students per teacher dropped from 26.3 to 24.3 over 4 years.

Parents, students, and staff can share information on athletics, class schedules, and weather closures here. Members of the school community can share what they know.

Placer County at a glance

View full county profile
Population
419,156
Census ACS
Median income
$115,998
Household, ACS
Bachelor's+
43%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
123
70,590 students

Quick facts

School name
Del Oro High
District
Placer Union High
Address
3301 Taylor Rd., Loomis, CA 95650
Phone
(916) 652-7243
County
Placer County
Level
High
Grade range
09–12
Total enrollment
1,634
Teachers (FTE)
67
Student–teacher ratio
24.3:1
Free and reduced lunch
210 (13%)
Locale
21-Suburb: Large
NCES ID
063075004782
Charter school
No
Virtual school
No

Related schools

Other schools in Placer Union High
Other schools in Loomis
Other Del Oro High schools

One other US public school is named Del Oro High. Del Oro High is the 2nd largest of the 2.

Nearby schools

Frequently asked questions

About Del Oro High
How many students attend Del Oro High?
Del Oro High enrolls approximately 1,634 students in grades 09-12.
Is Del Oro High an elementary, middle, or high school?
Del Oro High is a high school covering grades 09-12.
How many teachers does Del Oro High have?
Del Oro High employs 67 FTE teachers, for a student-to-teacher ratio of 24.3:1.
What is the racial breakdown of students at Del Oro High?
At Del Oro High, the student body is approximately 73% White, 13% Hispanic, 0% Black, 3% Asian, 9% Two or more.
Is Del Oro High public or private?
Del Oro High is a public K-12 school, overseen by Placer Union High.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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