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Cornerstone Charter School

Summary:

Cornerstone Charter School is a small public charter high school serving around 150 students in grades 9-12 in Phoenix, AZ. The school has a predominantly Hispanic student population and has consistently ranked in the bottom 10-20% of Arizona high schools in recent years, receiving 0-1 out of 5 stars.

Cornerstone Charter School faces significant challenges, with extremely low academic performance, high dropout rates, and low graduation rates. In the 2022-2023 school year, only 3% of 11th-grade students were proficient or better in English Language Arts and Mathematics, compared to the state averages of 40% and 32%, respectively. The school's four-year graduation rates have been very low, ranging from 20.7% to 39.3% over the past several years. Additionally, the school serves a high-need population, with around 90% of students qualifying for free or reduced-price lunch.

Interestingly, the school's performance varies across different student subgroups, with African American and Native American students performing relatively better than their Hispanic and White peers. However, the school is located in close proximity to several other charter and public high schools, such as Kaizen Education Foundation dba Maya High School, Empower College Prep High School, and Washington High School, which generally outperform Cornerstone Charter School on key metrics. The school's consistent low performance and lack of improvement over the years suggest potential challenges with school leadership, instructional quality, and access to adequate resources.


Detail:

Public, Charter 9-12

 7107 N Black Canyon Hwy
       Phoenix, AZ  85021-7619

(602) 595-2198

District: Cornerstone Charter SchoolInc


Student/teacher ratio:  0.0 Help
Number of students:  150

Racial breakdown:

Hispanic:
70.7%
African American:
14.0%
White:
10.0%
more

Free/discounted lunch recipients:  91.3% Help


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Performance Trends
Help
Compare Details Cornerstone Charter School is not ranked due for the most recent year due to insufficient test score data. (See more...)
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Compare Details In 2023 the calculated Average Standard Score was 10.83. (See more...)
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The Adjusted Cohort Graduation Rate (ACGR) measures the percentage of Cornerstone Charter School 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.
Student Body
Help
Compare Details Racial makeup is: Hispanic (70.7%), African American (14%), White (10%). (See more...)
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Compare Details 91.3% of students are receiving a free or discounted lunch. (See more...)
Teachers
Finance
Schooldigger Rankings:

Cornerstone Charter School was not ranked this year due to insufficient test score data.



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Rank History for Cornerstone Charter School

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Rank History for all students at Cornerstone Charter School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools AZ State Percentile SchoolDigger Rating
2009 15.88 337th 395 14.7%
2010 22.34 312th 403 22.6%
2011 21.40 307th 397 22.7%
2012 31.67 323rd 471 31.4%
2013 16.98 415th 491 15.5%
2014 17.37 327th 394 17.0%
2016 11.90 393rd 406 3.2%
2017 12.16 382nd 416 8.2%
2018 13.36 383rd 420 8.8%
2021 21.05 405th 509 20.4%
2022 13.34 407th 464 12.3%
2023 10.83 467th 469 0.4%
See the entire list of Arizona High School Rankings!

Rank History for Multi-racial students at Cornerstone Charter School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools AZ State Percentile SchoolDigger Rating
2021 16.67 271st 374 27.5%
2022 10.14 234th 282 17.0%
See the entire list of Best Arizona High Schools for Multi-racial Students!

Rank History for Special Education students at Cornerstone Charter School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools AZ State Percentile SchoolDigger Rating
2021 31.85 212th 422 49.8%
2022 32.37 192nd 380 49.5%
See the entire list of Best Arizona High Schools for Special Education Students!

Rank History for Low Socio Economic Status students at Cornerstone Charter School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools AZ State Percentile SchoolDigger Rating
2018 16.14 223rd 253 11.9%
2023 18.44 303rd 347 12.7%
See the entire list of Best Arizona High Schools for Low Socio Economic Status Students!

Rank History for Female students at Cornerstone Charter School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools AZ State Percentile SchoolDigger Rating
2018 11.83 325th 354 8.2%
2021 23.91 364th 492 26.0%
2022 18.35 357th 456 21.7%
See the entire list of Best Arizona High Schools for Female Students!

Rank History for Male students at Cornerstone Charter School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools AZ State Percentile SchoolDigger Rating
2018 18.59 296th 370 20.0%
2021 20.27 401st 492 18.5%
2022 12.10 402nd 455 11.6%
2023 11.71 414th 429 3.5%
See the entire list of Best Arizona High Schools for Male Students!

Rank History for African American students at Cornerstone Charter School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools AZ State Percentile SchoolDigger Rating
2021 24.04 202nd 306 34.0%
2022 47.68 124th 301 58.8%
See the entire list of Best Arizona High Schools for African American Students!

Rank History for Hispanic students at Cornerstone Charter School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools AZ State Percentile SchoolDigger Rating
2018 16.33 272nd 311 12.5%
2021 26.41 345th 479 28.0%
2022 14.66 380th 441 13.8%
2023 10.61 376th 379 0.8%
See the entire list of Best Arizona High Schools for Hispanic Students!

Rank History for Native American students at Cornerstone Charter School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools AZ State Percentile SchoolDigger Rating
2021 30.29 115th 256 55.1%
See the entire list of Best Arizona High Schools for Native American Students!

Rank History for White students at Cornerstone Charter School

Year Avg Standard Score Statewide Rank Total # Ranked High Schools AZ State Percentile SchoolDigger Rating
2021 43.67 248th 448 44.6%
2022 17.34 323rd 409 21.0%
See the entire list of Best Arizona High Schools for White Students!

Data source: test scores: Arizona 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.

Cornerstone Charter School Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
District Scores:
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Data source: Arizona Department of Education

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Enrollment information for Cornerstone Charter School

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Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
2001 40 3 1 5 0 n/a n/a 0 49
2004 33 12 0 32 4 n/a n/a 0 81
2005 71 19 4 43 6 n/a n/a 0 143
2006 80 22 1 99 16 n/a n/a 0 218
2007 66 29 1 93 14 n/a n/a 0 203
2008 75 17 1 115 26 n/a n/a 0 234
2009 50 17 1 69 22 n/a n/a 0 159
2010 42 20 0 95 14 n/a n/a 0 171
2011 47 24 1 77 13 0 4 0 166
2012 32 10 0 92 17 0 3 0 154
2013 45 28 0 115 5 3 6 0 202
2014 51 27 0 134 18 2 4 0 236
2015 42 31 1 133 11 0 8 0 226
2016 30 11 0 78 12 0 7 0 138
2017 40 41 0 122 12 0 8 0 223
2018 29 33 2 104 10 1 7 0 186
2019 30 29 1 115 14 1 5 0 195
2020 34 25 2 113 11 1 7 0 193
2021 26 25 1 131 14 1 6 0 204
2022 26 17 0 116 9 0 10 0 178
2023 15 21 0 106 2 0 6 0 150

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 Cornerstone Charter School

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2001 49 n/a 0.0 n/a
2004 81 n/a n/a n/a
2005 143 n/a n/a n/a
2006 218 n/a n/a n/a
2007 203 n/a n/a n/a
2008 234 n/a n/a n/a
2009 159 n/a n/a 5
2010 171 n/a n/a 2.3
2011 166 n/a n/a 0
2012 154 n/a n/a n/a
2013 202 n/a n/a n/a
2014 236 n/a n/a n/a
2015 226 n/a n/a 81.4
2016 138 n/a n/a 97.8
2017 223 n/a n/a 100
2018 186 n/a n/a 91.4
2019 195 n/a n/a 91.3
2020 193 n/a n/a 82.9
2021 204 n/a n/a 82.8
2022 178 n/a n/a 82.6
2023 150 n/a n/a 91.3

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 Cornerstone Charter School

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2001 49 n/a 0.0 n/a
2004 81 n/a n/a n/a
2005 143 n/a n/a n/a
2006 218 n/a n/a n/a
2007 203 n/a n/a n/a
2008 234 n/a n/a n/a
2009 159 n/a n/a 5
2010 171 n/a n/a 2.3
2011 166 n/a n/a 0
2012 154 n/a n/a n/a
2013 202 n/a n/a n/a
2014 236 n/a n/a n/a
2015 226 n/a n/a 81.4
2016 138 n/a n/a 97.8
2017 223 n/a n/a 100
2018 186 n/a n/a 91.4
2019 195 n/a n/a 91.3
2020 193 n/a n/a 82.9
2021 204 n/a n/a 82.8
2022 178 n/a n/a 82.6
2023 150 n/a n/a 91.3

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.
Finances

Per Pupil Expenditures for Cornerstone Charter School

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YearPersonnel Expenditures from Federal FundsNon-Personnel Expenditures from Federal FundsTotal Expenditures from Federal FundsPersonnel Expenditures from State and Local FundsNon-Personnel Expenditures from State and Local FundsTotal Expenditures from State and Local FundsTotal Expenditures Per Pupil (All Funds)
2019 $272 (3.0%) $284 (3.2%) $829 (9.2%) $6,476 (72.2%) $1,936 (21.6%) $8,411 (93.8%) $8,967
2020 $296 (3.1%) $204 (2.1%) $795 (8.3%) $7,096 (74.4%) $1,942 (20.4%) $9,038 (94.8%) $9,538

Data source: Arizona Department of Education
Pre and Post Pandemic Data

Impact of COVID-19 on Cornerstone Charter School

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 Students195150
 23.1%
African American2921
 27.6%
American Indian142
 85.7%
Asian10
 100%
Hispanic115106
 7.8%
Pacific Islander10
 100%
White3015
 50%
Two or More Races56
 20%
% Free/Discounted Lunch Recipients91.3%91.3%
 0.1%

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Frequently Asked Questions about Cornerstone Charter School

In the 2022-23 school year, 150 students attended Cornerstone Charter School.

Students at Cornerstone Charter School are 71% Hispanic, 14% African American, 10% White, 4% Two or more races, 1% American Indian.


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




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