Granite Mountain Charter

Summary:

Granite Mountain Charter is an alternative public charter virtual school located in Lucerne Valley, California, serving grades K-12 with a total enrollment of 3,433 students. This school stands out for its strong academic performance, with high graduation rates, solid test scores, and low chronic absenteeism compared to nearby schools.

Granite Mountain Charter has consistently outperformed the nearby High Desert Premier Academy on key metrics. In 2022-2023, Granite Mountain Charter had an impressive 88.2% four-year graduation rate, significantly higher than High Desert Premier Academy's 70.6%. Additionally, Granite Mountain Charter students generally scored above the state average on standardized tests, with 57.26% of 11th-graders proficient or better in ELA, compared to the state's 55.73%. The school also boasts a remarkably low chronic absenteeism rate of just 1.1%, far better than the 79.2% rate at High Desert Premier Academy.

Despite serving a population with a higher socioeconomic need, as indicated by the 44.1% to 48.01% of students receiving free or reduced-price lunch over the past three years, Granite Mountain Charter has maintained consistent academic performance. This suggests the school is effectively meeting the needs of its diverse student body. As a virtual charter school, Granite Mountain Charter is able to serve a large and geographically dispersed population, providing more educational options for families in the Granite Mountain Charter District region.


Detail:

Public, Charter, Virtual, Alternative K-12

 8560 Aliento Rd.
       Lucerne Valley, CA  92356-8133


(909) 906-3593

District: Granite Mountain Charter District

SchoolDigger Rank:
3192nd of 5,862 California Alternative Schools


Student/teacher ratio:  30.0 Help
Number of students:  3,433

Racial breakdown:

Hispanic:
45.2%
White:
37.5%
Two or more races:
8.9%
more

Free/discounted lunch recipients:  44.1% Help


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Performance Trends
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Compare Details Granite Mountain Charter ranks worse than 54.5% of elementary schools in California. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 39.63. (See more...)
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Compare Details Granite Mountain Charter ranks better than 51.4% of middle schools in California. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 43.58. (See more...)
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Compare Details Granite Mountain Charter ranks better than 58.9% of high schools in California. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 46.53. (See more...)
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The Adjusted Cohort Graduation Rate (ACGR) measures the percentage of Granite Mountain Charter 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.
Schooldigger 2024 Rankings:

Granite Mountain Charter:

SchoolDigger ranks Granite Mountain Charter 3192nd of 5862 California public elementary schools. (See Granite Mountain Charter in the ranking list.)

Elementary School Test Score Ratings by Student Subgroup:


Multi-racial students:
Special Education students:
Low Socio Economic Status students:
Female students:
Male students:
Asian students:
African American students:
Hispanic students:
White students:

SchoolDigger ranks Granite Mountain Charter 1350th of 2777 California public middle schools. (See Granite Mountain Charter in the ranking list.)

Middle School Test Score Ratings by Student Subgroup:


Multi-racial students:
Special Education students:
Low Socio Economic Status students:
Female students:
Male students:
Hispanic students:
White students:

SchoolDigger ranks Granite Mountain Charter 954th of 2323 California public high schools. (See Granite Mountain Charter in the ranking list.)

High School Test Score Ratings by Student Subgroup:


Multi-racial students:
English Language Learner students:
Special Education students:
Low Socio Economic Status students:
Homeless students:
Female students:
Military Connected students:
Male students:
Asian students:
African American students:
Hispanic students:
White students:




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Rank History for Granite Mountain Charter

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Rank History for all elementary school students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2021 46.09 702nd 1417 50.5%
2022 39.00 3162nd 5883 46.3%
2023 36.79 3371st 5874 42.6%
2024 39.63 3192nd 5862 45.5%
See the entire list of California Alternative School Rankings!

Rank History for elementary school Multi-racial students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2022 15.07 538th 610 11.8%
2023 15.38 596th 669 10.9%
2024 17.53 585th 669 12.6%
See the entire list of Best California Alternative Schools for Multi-racial Students!

Rank History for elementary school Special Education students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2023 51.17 880th 2420 63.6%
2024 44.64 1135th 2634 56.9%
See the entire list of Best California Alternative Schools for Special Education Students!

Rank History for elementary school Low Socio Economic Status students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2021 57.54 388th 1110 65.0%
2022 39.50 3052nd 5264 42.0%
2023 33.16 3640th 5374 32.3%
2024 43.04 2902nd 5511 47.3%
See the entire list of Best California Alternative Schools for Low Socio Economic Status Students!

Rank History for elementary school Female students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2021 44.58 632nd 1267 50.1%
2022 41.04 2936th 5635 47.9%
2023 38.35 3123rd 5617 44.4%
2024 42.05 2917th 5605 48.0%
See the entire list of Best California Alternative Schools for Female Students!

Rank History for elementary school Disabled students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2021 64.15 68th 293 76.8%
2022 45.79 916th 2227 58.9%
See the entire list of Best California Alternative Schools for Disabled Students!

Rank History for elementary school Male students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2021 47.09 603rd 1272 52.6%
2022 36.78 3217th 5663 43.2%
2023 35.46 3376th 5650 40.2%
2024 36.91 3279th 5636 41.8%
See the entire list of Best California Alternative Schools for Male Students!

Rank History for elementary school Asian students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2024 46.36 799th 1203 33.6%
See the entire list of Best California Alternative Schools for Asian Students!

Rank History for elementary school African American students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2022 72.94 119th 663 82.1%
2023 61.10 194th 662 70.7%
2024 52.28 225th 593 62.1%
See the entire list of Best California Alternative Schools for African American Students!

Rank History for elementary school Hispanic students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2022 43.53 2626th 5084 48.3%
2023 47.04 2427th 5098 52.4%
2024 47.50 2436th 5102 52.3%
See the entire list of Best California Alternative Schools for Hispanic Students!

Rank History for elementary school White students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2022 16.37 2358th 2726 13.5%
2023 12.41 2417th 2662 9.2%
2024 15.60 2307th 2647 12.8%
See the entire list of Best California Alternative Schools for White Students!

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

Rank History for Granite Mountain Charter

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Rank History for all middle school students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2021 41.82 484th 894 45.9%
2022 41.42 1416th 2740 48.3%
2023 41.77 1406th 2802 49.8%
2024 43.58 1350th 2777 51.4%
See the entire list of California Alternative School Rankings!

Rank History for middle school Multi-racial students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2022 19.21 537th 665 19.2%
2023 27.31 501st 678 26.1%
2024 24.75 541st 699 22.6%
See the entire list of Best California Alternative Schools for Multi-racial Students!

Rank History for middle school Special Education students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2023 44.53 666th 1538 56.7%
2024 38.13 826th 1550 46.7%
See the entire list of Best California Alternative Schools for Special Education Students!

Rank History for middle school Low Socio Economic Status students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2021 44.45 364th 721 49.5%
2022 35.72 1486th 2458 39.5%
2023 34.40 1576th 2549 38.2%
2024 48.19 1097th 2575 57.4%
See the entire list of Best California Alternative Schools for Low Socio Economic Status Students!

Rank History for middle school Female students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2021 30.72 506th 738 31.4%
2022 37.99 1405th 2509 44.0%
2023 37.86 1396th 2547 45.2%
2024 45.20 1198th 2546 52.9%
See the entire list of Best California Alternative Schools for Female Students!

Rank History for middle school Disabled students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2021 44.93 145th 354 59.0%
2022 52.41 520th 1531 66.0%
See the entire list of Best California Alternative Schools for Disabled Students!

Rank History for middle school Male students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2021 52.60 324th 763 57.5%
2022 44.13 1212th 2527 52.0%
2023 44.92 1206th 2558 52.9%
2024 40.80 1318th 2547 48.3%
See the entire list of Best California Alternative Schools for Male Students!

Rank History for middle school African American students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2022 77.12 108th 637 83.0%
2023 52.01 249th 614 59.4%
See the entire list of Best California Alternative Schools for African American Students!

Rank History for middle school Hispanic students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2022 46.67 1089th 2359 53.8%
2023 47.52 1055th 2391 55.9%
2024 46.93 1061st 2383 55.5%
See the entire list of Best California Alternative Schools for Hispanic Students!

Rank History for middle school White students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2022 21.35 1252nd 1555 19.5%
2023 22.57 1211th 1552 22.0%
2024 24.71 1163rd 1535 24.2%
See the entire list of Best California Alternative Schools for White Students!

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

Rank History for Granite Mountain Charter

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Rank History for all high school students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2021 59.23 476th 1290 63.1%
2022 57.09 774th 2123 63.5%
2023 42.62 1053rd 2348 55.2%
2024 46.53 954th 2323 58.9%
See the entire list of California Alternative School Rankings!

Rank History for high school Multi-racial students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2022 19.50 430th 515 16.5%
2023 27.22 526th 786 33.1%
2024 29.89 526th 804 34.6%
See the entire list of Best California Alternative Schools for Multi-racial Students!

Rank History for high school English Language Learner students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 31.94 725th 1323 45.2%
2024 64.15 123rd 1350 90.9%
See the entire list of Best California Alternative Schools for English Language Learner Students!

Rank History for high school Special Education students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 49.58 477th 1547 69.2%
2024 45.44 586th 1534 61.8%
See the entire list of Best California Alternative Schools for Special Education Students!

Rank History for high school Low Socio Economic Status students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2021 36.53 745th 1126 33.8%
2022 57.14 697th 1943 64.1%
2023 36.50 1235th 2247 45.0%
2024 49.78 865th 2235 61.3%
See the entire list of Best California Alternative Schools for Low Socio Economic Status Students!

Rank History for high school Homeless students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 28.49 295th 417 29.3%
2024 46.69 242nd 451 46.3%
See the entire list of Best California Alternative Schools for Homeless Students!

Rank History for high school Female students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2021 59.10 404th 1054 61.7%
2022 60.70 604th 1858 67.5%
2023 43.15 995th 2118 53.0%
2024 46.78 899th 2098 57.1%
See the entire list of Best California Alternative Schools for Female Students!

Rank History for high school Disabled students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2022 47.22 452nd 1161 61.1%
See the entire list of Best California Alternative Schools for Disabled Students!

Rank History for high school Military Connected students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 49.49 112th 233 51.9%
2024 38.16 138th 234 41.0%
See the entire list of Best California Alternative Schools for Military Connected Students!

Rank History for high school Male students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2021 50.36 505th 1122 55.0%
2022 46.15 907th 1916 52.7%
2023 39.90 1044th 2207 52.7%
2024 44.17 945th 2172 56.5%
See the entire list of Best California Alternative Schools for Male Students!

Rank History for high school Asian students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 52.23 387th 731 47.1%
2024 58.06 334th 712 53.1%
See the entire list of Best California Alternative Schools for Asian Students!

Rank History for high school African American students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 54.76 265th 720 63.2%
2024 62.61 209th 721 71.0%
See the entire list of Best California Alternative Schools for African American Students!

Rank History for high school Hispanic students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2022 67.06 486th 1861 73.9%
2023 48.30 899th 2142 58.0%
2024 52.40 767th 2125 63.9%
See the entire list of Best California Alternative Schools for Hispanic Students!

Rank History for high school White students at Granite Mountain Charter

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2022 34.41 800th 1204 33.6%
2023 23.52 1036th 1434 27.8%
2024 24.17 996th 1406 29.2%
See the entire list of Best California Alternative Schools for White 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.

Granite Mountain Charter Test Scores
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Grades: 
  
Years: 
  
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Data source: California Department of Education

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Enrollment information for Granite Mountain Charter

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Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
2020 1405 184 87 1226 17 14 337 0 3270
2021 1285 172 121 1357 16 11 322 1 3285
2022 1259 143 123 1448 10 11 322 2 3318
2023 1286 133 129 1553 12 11 307 2 3433

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 Granite Mountain Charter

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2020 3270 n/a n/a 41.5
2021 3285 101.2 32.4 48
2022 3318 111.9 29.6 44.5
2023 3433 114.1 30.0 44.1

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 Granite Mountain Charter

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2020 3270 n/a n/a 41.5
2021 3285 101.2 32.4 48
2022 3318 111.9 29.6 44.5
2023 3433 114.1 30.0 44.1

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.

Kindergarten Immunization Rates

Granite Mountain Charter

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YearCompletely ImmunizedMedical ExemptionConditionalPolioHepatitis BVaricellaDTPMMR
202025.0%1.8%0.4%33.6%68.9%28.6%30.4%30.4%
202219.5%0.0%0.0%27.2%46.6%27.4%30.5%26.4%

Data source: California Department of Public Health


Schools Near Granite Mountain Charter









Frequently Asked Questions about Granite Mountain Charter

In the 2022-23 school year, 3,433 students attended Granite Mountain Charter.

Students at Granite Mountain Charter are 45% Hispanic, 37% White, 9% Two or more races, 4% African American, 4% Asian.

Granite Mountain Charter ranks 3192nd of 5862 California alternative schools. SchoolDigger rates this school 2 stars out of 5.


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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.

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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