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Needs Improvement

#9243 of 9,539 schools in CA

Imperial Ave. Holbrook High

High School · Imperial Unified · Imperial, CA

An Imperial Unified high school where students score 30 points below what's typical for similar communities.

322 North Imperial Ave., Imperial, CA 92251

  • Math 6% vs CA 32% (2024)
  • Reading 19% vs CA 52% (2024)
  • 30.0% 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress5.5Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data7
Annual Change-1.6 pts/yr
Data Period2009–2024
TrendDeclining
Academics2.1Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency5.6% (2024 CAASPP)
Reading/ELA Proficiency18.8% (2024 CAASPP)
Math vs. State Avg-22.4 pts
Reading vs. State Avg-37.1 pts
Overall Proficiency12% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)42% (model expectation from 2024 CAASPP)
vs. Expected-30.1 pts
Adjusted Percentile5th
College Readiness3.3Needs Improvement30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate30%
IB ProgramNo
Resources & Environment1.1Needs Improvement20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio49:1
District spending per student$14,658
Chronic Absenteeism67.3%

Students at Imperial Ave. Holbrook High score 12% proficient, which is below what's typical for similar communities (expected: 42%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency6%(2024 CAASPP)
School
State
32%(2024 CAASPP)
ELA Proficiency19%(2024 CAASPP)
School
State
52%(2024 CAASPP)

Trend

↓ Declining

Proficiency has fallen 8 points since 2015, to 12% in 2024, across a 16-year record (2009–2024).

Show all 7 years
2009
Math
30%
ELA
30%
2010
Math
30%
ELA
50%
2011
Math
30%
ELA
30%
2015
Math
10%
ELA
30%
2016
Math
10%
ELA
10%
2017
Math
25%
ELA
25%
2024
Math
6%
ELA
19%

Multi-year averages used by the rating model: math 18% (multi-year average, 2009-2024) · reading/ELA 26% (multi-year average, 2009-2024)

Based on 16 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

57.1%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Imperial Ave. Holbrook High sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 71Very Walkable
  • Bike 45Somewhat Bikeable
  • City Safety: Average264/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Imperial), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$83,709

Median home value

$350,100

Median rent

$1,378/mo

College educated

17%

Homeownership

66.8%

Poverty rate

13.3%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 92251; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Advanced STEM Courses2of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22
Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Imperial HighEnrollment path unverified5.39–120.3 mi1,378Compare →
Vanguard Academy of Imperial ValleyPrivate · tuitionNot rated2–101.2 mi10Compare →
Valley Christian Heritage SchoolPrivate · tuitionNot rated8–122.0 mi7Compare →
Valley Christian Heritage SchoolPrivate · tuitionNot rated6–122.0 mi13Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Imperial Unified

Schools in district
6
Rank in district
#6 of 6
District spending per student
$14,658NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
13.7%Census SAIPE · 2024

Imperial Ave. Holbrook High is listed in Imperial Unified; a district label does not verify attendance for an address.

About Imperial Ave. Holbrook High

Imperial Ave. Holbrook High is a public high school in Imperial, CA, part of Imperial Unified, serving approximately 49 students in grades 9th-12th with a 49:1 student-teacher ratio. It holds a MySchoolScout rating of 3.1 out of 10 and ranks #9,243 of 9,539 schools in CA.

State assessment records show 18% math proficiency (multi-year average, 2009-2024) and 26% reading/ELA proficiency (multi-year average, 2009-2024).

Frequently asked questions

Common questions about Imperial Ave. Holbrook High

What grades does Imperial Ave. Holbrook High serve?

Imperial Ave. Holbrook High serves students in grades 9th through 12th.

How many students attend Imperial Ave. Holbrook High?

Imperial Ave. Holbrook High has an enrollment of approximately 49 students.

What is the student-teacher ratio at Imperial Ave. Holbrook High?

The student-teacher ratio at Imperial Ave. Holbrook High is 49:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Imperial Ave. Holbrook High rank in CA?

Imperial Ave. Holbrook High ranks #9,243 of 9,539 schools in CA.

What is Imperial Ave. Holbrook High's MySchoolScout rating?

Imperial Ave. Holbrook High has a current MySchoolScout rating of 3.1 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 Imperial Ave. Holbrook High?

Based on loaded state assessment records, Imperial Ave. Holbrook High has 18% math proficiency (multi-year average, 2009-2024) and 26% reading/ELA proficiency (multi-year average, 2009-2024).

Is Imperial Ave. Holbrook High a charter school?

No, Imperial Ave. Holbrook High is not a charter school. It is a traditional public school operated by the local school district.

Is Imperial Ave. Holbrook High a Title I school?

No, Imperial Ave. Holbrook High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Imperial Ave. Holbrook High?

57.1% of students at Imperial Ave. Holbrook 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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
9th – 12th
Enrollment
49
Student-Teacher Ratio
49:1
Teachers (FTE)
1
Type
alternative
Setting
Small Suburb
County
Imperial County
Chronic Absenteeism (SY 2022-23)
67.3%
4-Year Graduation
30.0%
Area population (ZIP 92251)
27,197
Area average commute
18.5 min
Area median age
34
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 92251; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24

About our data · How we calculate scores

Related reading

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