Imperial Ave. Holbrook High

Public 9-12

 322 N. Imperial Ave.
       Imperial, CA  92251-1267


(760) 355-3207

District: Imperial Unified

SchoolDigger Rank:
1877th of 2,346 California High Schools


Student/teacher ratio:  34.0 Help
Number of students:  50

Racial breakdown:

Hispanic:
96.0%
White:
2.0%
African American:
2.0%

Free/discounted lunch recipients:  74% Help


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Performance Trends
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Compare Details Imperial Ave. Holbrook High ranks worse than 80% of high schools in California. (See more...)
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Compare Details In 2023 the calculated Average Standard Score was 13.68. (See more...)
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The Adjusted Cohort Graduation Rate (ACGR) measures the percentage of Imperial Ave. Holbrook High freshmen who graduate within four years, adjusting for students who transfer in or out.
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The high school dropout rate measures the percentage of students who do not complete their high school education.
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Chronic absenteeism in a high school refers to a situation where students repeatedly miss school, with the threshold often defined as missing 10% or more of school days for any reason, excused or unexcused.
Student Body
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Compare Details Racial makeup is: Hispanic (96%), African American (2%), White (2%). (See more...)
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Compare Details 74% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Imperial Ave. Holbrook High is 34. (See more...)
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Compare Imperial Ave. Holbrook High employs 1.4 full-time teachers.
Schooldigger 2023 Rankings:

Imperial Ave. Holbrook High:

SchoolDigger ranks Imperial Ave. Holbrook High 1877th of 2346 California public high schools. (See Imperial Ave. Holbrook High in the ranking list.)

High School Test Score Ratings by Student Subgroup:


Low Socio Economic Status students:
Female students:
Male students:
Hispanic students:


Imperial Unified:

SchoolDigger ranks Imperial Unified 654th of 1560 California school districts. (See district ranking list.)


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Rank History for Imperial Ave. Holbrook High

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Rank History for all students at Imperial Ave. Holbrook High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2004 18.64 1332nd 1653 19.4%
2005 38.32 851st 1901 55.2%
2006 31.18 1059th 1968 46.2%
2007 26.48 1251st 2063 39.4%
2008 44.28 810th 2117 61.7%
2009 45.34 874th 2238 60.9%
2010 40.13 1008th 2281 55.8%
2011 27.05 1408th 2367 40.5%
2012 30.68 1283rd 2354 45.5%
2013 34.33 1202nd 2426 50.5%
2016 26.19 1428th 2039 30.0%
2017 10.23 1818th 2021 10.0%
2018 13.03 1663rd 2017 17.6%
2023 13.68 1866th 2335 20.1%
See the entire list of California High School Rankings!

Rank History for Low Socio Economic Status students at Imperial Ave. Holbrook High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 12.83 1866th 2237 16.6%
See the entire list of Best California High Schools for Low Socio Economic Status Students!

Rank History for Female students at Imperial Ave. Holbrook High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 16.97 1651st 2106 21.6%
See the entire list of Best California High Schools for Female Students!

Rank History for Male students at Imperial Ave. Holbrook High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 12.27 1819th 2195 17.1%
See the entire list of Best California High Schools for Male Students!

Rank History for Hispanic students at Imperial Ave. Holbrook High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 13.68 1753rd 2132 17.8%
See the entire list of Best California High Schools for Hispanic Students!

Data source: test scores: California Department of Education, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Imperial Ave. Holbrook High Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
District Scores:
State Scores:    
  
Subgroup: 




Data source: California Department of Education

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Enrollment information for Imperial Ave. Holbrook High

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Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
1988 14 0 0 17 1 n/a n/a 0 32
1989 10 0 0 19 0 n/a n/a 0 29
1990 12 0 0 19 0 n/a n/a 0 31
1991 21 1 0 20 0 n/a n/a 0 42
1992 14 1 0 28 0 n/a n/a 0 43
1993 19 2 0 30 0 n/a n/a 0 51
1994 18 1 0 28 0 n/a n/a 0 47
1995 5 1 0 21 0 n/a n/a 0 27
1996 5 1 0 21 0 n/a n/a 0 27
1997 11 2 0 30 0 n/a n/a 0 43
1998 2 1 0 35 0 n/a n/a 0 38
1999 15 2 1 28 0 n/a n/a 0 46
2000 13 0 0 28 0 n/a n/a 0 41
2001 10 1 0 28 0 n/a n/a 0 39
2002 10 1 1 32 0 n/a n/a 0 44
2003 10 1 1 32 0 n/a n/a 0 44
2004 12 1 1 30 0 n/a n/a 0 44
2005 11 0 0 35 0 n/a n/a 0 46
2006 17 1 0 46 0 n/a n/a 0 64
2007 15 3 0 51 0 n/a n/a 0 69
2008 9 1 n/a 50 n/a n/a n/a 0 60
2009 16 0 0 49 0 0 0 0 65
2010 11 1 0 43 0 0 0 0 55
2011 16 1 0 53 0 0 1 0 71
2012 14 2 0 41 0 1 1 0 59
2013 15 0 0 51 0 0 3 0 69
2014 13 0 0 56 0 0 0 0 69
2015 7 0 0 50 0 0 0 0 57
2016 9 1 0 42 0 0 1 0 53
2017 10 0 0 45 0 0 1 0 56
2018 5 0 0 39 1 0 1 0 46
2019 0 0 0 0 0 0 0 0 0
2020 3 0 1 29 1 0 2 0 36
2021 2 0 0 30 1 0 1 0 34
2022 5 0 0 41 0 0 1 0 47
2023 1 1 0 48 0 0 0 0 50

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at Imperial Ave. Holbrook High

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1988 32 2.0 16.0 n/a
1989 29 2.0 14.5 n/a
1990 31 2.0 15.5 n/a
1991 42 2.0 21.0 n/a
1992 43 2.0 21.5 7
1993 51 2.0 25.5 9.8
1994 47 2.0 23.5 17
1995 27 2.0 13.5 25.9
1996 27 2.0 13.5 25.9
1997 43 3.0 14.3 44.2
1998 38 3.0 12.7 63.2
1999 46 3.0 15.3 50
2000 41 3.0 13.7 43.9
2001 39 3.0 13.0 46.2
2002 44 2.0 22.0 40.9
2003 44 2.0 22.0 40.9
2004 44 2.0 22.0 40.9
2005 46 2.0 23.0 41.3
2006 64 3.0 21.3 35.9
2007 69 3.0 23.0 26.1
2008 60 0.8 75.0 36.7
2009 65 3.9 16.7 55.4
2010 55 3.2 17.1 56.4
2011 71 n/a n/a 60.6
2012 59 2.9 20.3 n/a
2013 69 2.5 27.6 47.8
2014 69 2.8 24.3 59.4
2015 57 3.0 19.0 47.4
2016 53 3.0 17.6 49.1
2017 56 2.5 22.4 57.1
2018 46 3.5 13.1 58.7
2019 0 n/a n/a n/a
2020 36 n/a n/a 61.1
2021 34 1.8 18.8 44.1
2022 47 1.7 26.5 59.6
2023 50 1.4 34.0 74

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio Imperial Ave. Holbrook High

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1988 32 2.0 16.0 n/a
1989 29 2.0 14.5 n/a
1990 31 2.0 15.5 n/a
1991 42 2.0 21.0 n/a
1992 43 2.0 21.5 7
1993 51 2.0 25.5 9.8
1994 47 2.0 23.5 17
1995 27 2.0 13.5 25.9
1996 27 2.0 13.5 25.9
1997 43 3.0 14.3 44.2
1998 38 3.0 12.7 63.2
1999 46 3.0 15.3 50
2000 41 3.0 13.7 43.9
2001 39 3.0 13.0 46.2
2002 44 2.0 22.0 40.9
2003 44 2.0 22.0 40.9
2004 44 2.0 22.0 40.9
2005 46 2.0 23.0 41.3
2006 64 3.0 21.3 35.9
2007 69 3.0 23.0 26.1
2008 60 0.8 75.0 36.7
2009 65 3.9 16.7 55.4
2010 55 3.2 17.1 56.4
2011 71 n/a n/a 60.6
2012 59 2.9 20.3 n/a
2013 69 2.5 27.6 47.8
2014 69 2.8 24.3 59.4
2015 57 3.0 19.0 47.4
2016 53 3.0 17.6 49.1
2017 56 2.5 22.4 57.1
2018 46 3.5 13.1 58.7
2019 0 n/a n/a n/a
2020 36 n/a n/a 61.1
2021 34 1.8 18.8 44.1
2022 47 1.7 26.5 59.6
2023 50 1.4 34.0 74

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.
Pre and Post Pandemic Data

Impact of COVID-19 on Imperial Ave. Holbrook High

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students050
African American01
American Indian00
Asian00
Hispanic048
Pacific Islander00
White01
Two or More Races00


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Frequently Asked Questions about Imperial Ave. Holbrook High

In the 2022-23 school year, 50 students attended Imperial Ave. Holbrook High.

Imperial Ave. Holbrook High ranks in the bottom 20.0% of California high schools.

Students at Imperial Ave. Holbrook High are 96% Hispanic, 2% White, 2% African American.


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

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.





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