Union Mine High

Summary:

Union Mine High is a public high school located in El Dorado, California, serving grades 9-12 with a total enrollment of 1,066 students. The school is part of the El Dorado Union High School District, which is ranked 334 out of 1,568 districts in California and has a 4-star rating from SchoolDigger.

Union Mine High has consistently maintained a 4-star rating from SchoolDigger over the past several years, with its statewide ranking ranging from 216 to 657 out of over 2,000 California high schools. The school has a strong graduation rate, with a 4-year graduation rate of around 96% in recent years, and a relatively low dropout rate of around 2%. Union Mine High performs above the state average in Smarter Balanced Assessments for English Language Arts/Literacy and CAST Science assessments, but its performance in mathematics is more mixed, with around 30% of students proficient or better compared to the state average of 27.9%. The school particularly excels in supporting English Language Learner (ELL) students and students with disabilities, but its performance for White and Multi-racial student groups is relatively lower.

Compared to other high schools in the El Dorado Union High School District, such as Oak Ridge High and Ponderosa High, Union Mine High performs well. However, the school's performance is lower than that of high-performing schools in the nearby Folsom-Cordova Unified School District, such as Folsom High and Vista del Lago High. Additionally, Union Mine High faces challenges with increasing chronic absenteeism, which has risen from 15% in 2017-2018 to 32.9% in 2022-2023, higher than the state average.


Detail:

Public 9-12

 6530 Koki Ln.
       El Dorado, CA  95623-4328


(530) 621-4003

District: El Dorado Union High

SchoolDigger Rank:
505th of 2,323 California High Schools

Per Pupil Expenditures:  $12,782 Help


Feeder schools for Union Mine High:

Elementary:    Gold Oak Elementary
    Indian Creek Elementary
    Indian Diggings Elementary
    Pioneer Elementary
    More...
Middle:    Herbert C. Green Middle
    Mountain Creek Middle
    Pleasant Valley Middle

Student/teacher ratio:  22.2 Help
Number of students:  1,066

Racial breakdown:

White:
67.4%
Hispanic:
23.5%
Two or more races:
5.3%
more

Free/discounted lunch recipients:  38.3% Help


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Performance Trends
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Compare Details Union Mine High ranks better than 78.3% of high schools in California. It also ranks 5th among 6 ranked high schools in the El Dorado Union High School District. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 68.4. (See more...)
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The four-year cohort graduation rate measures the percentage of students at Union Mine High who earn a standard high school diploma within four years of starting ninth grade.
Help
The high school dropout rate measures the percentage of students who do not complete their high school education.
Help
Chronic absenteeism in a 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
Help
Compare Details Racial makeup is: White (67.4%), Hispanic (23.5%), two or more races (5.3%). (See more...)
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Compare Details 38.3% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Union Mine High is 22.2. 3 high schools in the El Dorado Union High School District have better student/teacher ratios. (See more...)
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Compare Union Mine High employs 47.8 full-time teachers.
Finance
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Compare Details The average total spent per student at Union Mine High is $12,782. 3 high schools in the El Dorado Union High School District spend more per student.
Schooldigger 2024 Rankings:

Union Mine High:

SchoolDigger ranks Union Mine High 505th of 2323 California public high schools. (See Union Mine High in the ranking list.)

High School Test Score Ratings by Student Subgroup:


English Language Learner students:
Special Education students:
Low Socio Economic Status students:
Female students:
Male students:
Hispanic students:
White students:


El Dorado Union High:

SchoolDigger ranks El Dorado Union High 334th of 1568 California school districts. (See district ranking list.)


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Rank History for Union Mine High

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Compare

Rank History for all students at Union Mine High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2004 56.10 402nd 1653 75.7%
2005 65.62 327th 1901 82.8%
2006 73.16 225th 1968 88.6%
2007 79.10 132nd 2063 93.6%
2008 77.57 158th 2117 92.5%
2009 72.58 222nd 2238 90.1%
2010 71.83 252nd 2281 89.0%
2011 69.14 312th 2367 86.8%
2012 74.74 220th 2354 90.7%
2013 66.82 374th 2426 84.6%
2015 88.01 216th 1994 89.2%
2016 83.59 321st 2039 84.3%
2017 79.88 415th 2021 79.5%
2018 85.13 308th 2017 84.7%
2019 82.43 317th 2133 85.1%
2021 70.69 340th 1290 73.6%
2022 75.46 443rd 2123 79.1%
2023 60.08 657th 2348 72.0%
2024 68.40 505th 2323 78.3%
See the entire list of California High School Rankings!

Rank History for Multi-racial students at Union Mine High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 39.67 237th 366 35.2%
2019 31.39 306th 422 27.5%
2022 51.54 252nd 515 51.1%
See the entire list of Best California High Schools for Multi-racial Students!

Rank History for English Language Learner students at Union Mine High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2024 63.19 131st 1350 90.3%
See the entire list of Best California High Schools for English Language Learner Students!

Rank History for Special Education students at Union Mine High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 60.70 316th 1547 79.6%
2024 51.73 470th 1534 69.4%
See the entire list of Best California High Schools for Special Education Students!

Rank History for Low Socio Economic Status students at Union Mine High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 74.98 413th 1862 77.8%
2019 79.50 300th 1937 84.5%
2021 60.83 389th 1126 65.5%
2022 80.38 274th 1943 85.9%
2023 56.71 706th 2247 68.6%
2024 60.12 597th 2235 73.3%
See the entire list of Best California High Schools for Low Socio Economic Status Students!

Rank History for Homeless students at Union Mine High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 48.25 178th 417 57.3%
See the entire list of Best California High Schools for Homeless Students!

Rank History for Female students at Union Mine High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 88.35 189th 1760 89.3%
2019 84.85 247th 1833 86.5%
2021 63.46 356th 1054 66.2%
2022 71.82 436th 1858 76.5%
2023 58.27 641st 2118 69.7%
2024 75.73 373rd 2098 82.2%
See the entire list of Best California High Schools for Female Students!

Rank History for Disabled students at Union Mine High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 60.70 280th 1052 73.4%
2019 60.20 284th 1117 74.6%
2021 70.45 96th 555 82.7%
2022 73.38 176th 1161 84.8%
See the entire list of Best California High Schools for Disabled Students!

Rank History for Male students at Union Mine High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 77.16 413th 1834 77.5%
2019 75.33 406th 1880 78.4%
2021 71.68 285th 1122 74.6%
2022 74.78 414th 1916 78.4%
2023 58.12 642nd 2207 70.9%
2024 58.58 630th 2172 71.0%
See the entire list of Best California High Schools for Male Students!

Rank History for Hispanic students at Union Mine High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 76.12 385th 1742 77.9%
2019 73.98 365th 1814 79.9%
2022 79.24 282nd 1861 84.8%
2023 51.10 814th 2142 62.0%
2024 63.76 514th 2125 75.8%
See the entire list of Best California High Schools for Hispanic Students!

Rank History for White students at Union Mine High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 74.23 319th 1173 72.8%
2019 67.47 375th 1222 69.3%
2022 53.42 546th 1204 54.7%
2023 45.49 666th 1434 53.6%
2024 50.83 576th 1406 59.0%
See the entire list of Best California High 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.

Union Mine 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 Union Mine High

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Compare
Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
2000 710 17 10 58 25 n/a n/a 0 820
2001 1004 21 15 81 61 n/a n/a 0 1182
2002 1354 16 27 100 69 n/a n/a 3 1569
2003 1354 16 27 100 69 n/a n/a 3 1569
2004 1333 4 15 89 44 n/a n/a 53 1538
2005 1278 4 19 97 35 n/a n/a 69 1502
2006 1262 7 15 86 30 n/a n/a 78 1478
2007 1186 5 17 99 33 n/a n/a 65 1405
2008 1053 6 17 102 32 n/a n/a 0 1210
2009 979 9 18 110 24 3 35 0 1178
2010 862 7 19 119 34 5 15 0 1061
2011 821 5 20 124 27 6 27 0 1030
2012 769 8 13 122 25 7 41 0 985
2013 779 8 11 133 23 8 46 0 1008
2014 816 11 10 150 16 9 57 0 1069
2015 740 11 9 167 12 8 55 0 1002
2016 757 9 10 194 13 6 58 0 1047
2017 741 8 12 202 15 3 72 0 1053
2018 704 4 15 219 17 0 74 0 1033
2019 745 8 10 227 14 0 80 0 1084
2020 737 8 10 231 16 0 87 0 1089
2021 777 7 9 244 14 1 80 0 1132
2022 770 9 9 253 17 0 66 1 1125
2023 719 9 12 250 17 0 56 3 1066

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 Union Mine High

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2000 820 37.2 22.0 11
2001 1182 55.2 21.4 11
2002 1569 72.1 21.8 14.8
2003 1569 72.1 21.8 14.8
2004 1538 67.3 22.9 8.8
2005 1502 65.2 23.0 11.7
2006 1478 64.1 23.1 11.8
2007 1405 62.1 22.6 12.5
2008 1210 64.8 18.7 18.4
2009 1178 53.0 18.7 17.3
2010 1061 52.1 20.3 24
2011 1030 n/a n/a 23
2012 985 42.5 23.1 n/a
2013 1008 41.7 24.1 29.1
2014 1069 44.6 23.9 29.7
2015 1002 44.0 22.7 28.7
2016 1047 46.0 22.7 28.1
2017 1053 46.6 22.5 29.2
2018 1033 46.4 22.2 34.6
2019 1084 45.7 23.6 32.4
2020 1089 n/a n/a 35.4
2021 1132 48.4 23.3 41.9
2022 1125 48.7 23.0 33.4
2023 1066 47.8 22.2 38.3

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 Union Mine High

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2000 820 37.2 22.0 11
2001 1182 55.2 21.4 11
2002 1569 72.1 21.8 14.8
2003 1569 72.1 21.8 14.8
2004 1538 67.3 22.9 8.8
2005 1502 65.2 23.0 11.7
2006 1478 64.1 23.1 11.8
2007 1405 62.1 22.6 12.5
2008 1210 64.8 18.7 18.4
2009 1178 53.0 18.7 17.3
2010 1061 52.1 20.3 24
2011 1030 n/a n/a 23
2012 985 42.5 23.1 n/a
2013 1008 41.7 24.1 29.1
2014 1069 44.6 23.9 29.7
2015 1002 44.0 22.7 28.7
2016 1047 46.0 22.7 28.1
2017 1053 46.6 22.5 29.2
2018 1033 46.4 22.2 34.6
2019 1084 45.7 23.6 32.4
2020 1089 n/a n/a 35.4
2021 1132 48.4 23.3 41.9
2022 1125 48.7 23.0 33.4
2023 1066 47.8 22.2 38.3

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 Union Mine High

Help

YearTotal Expenditures Per Pupil
2018 $12,782

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

Impact of COVID-19 on Union Mine 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.

Rankings

Rank
Pre-pandemic (2018-2019)
Rank
Post pandemic (2022-2023)
Change (%)
Ranks 317th of 2133 High schoolsRanks 657th of 2348 High schools
 13.1%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
11th Grade English Language Arts/Literacy (Union Mine High)65.455.5
 9.9%
   11th Grade English Language Arts/Literacy (El Dorado Union High)68.867.6
 1.2%
   11th Grade English Language Arts/Literacy (California)57.355.4
 1.9%
11th Grade Mathematics (Union Mine High)44.228.1
 16.2%
   11th Grade Mathematics (El Dorado Union High)5542.2
 12.9%
   11th Grade Mathematics (California)32.227.4
 4.9%
11th Grade Science (Union Mine High)38.631.2
 7.5%
   11th Grade Science (El Dorado Union High)45.737.2
 8.5%
   11th Grade Science (California)30.431.7
 1.3%
12th Grade Science (Union Mine High)3938.7
 0.3%
   12th Grade Science (El Dorado Union High)37.839.9
 2.1%
   12th Grade Science (California)25.626.8
 1.2%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students10841066
 1.7%
African American89
 12.5%
American Indian1417
 21.4%
Asian1012
 20%
Hispanic227250
 10.1%
Pacific Islander00
White745719
 3.5%
Two or More Races8056
 30%
% Free/Discounted Lunch Recipients32.4%38.3%
 5.9%


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Frequently Asked Questions about Union Mine High

In the 2022-23 school year, 1,066 students attended Union Mine High.

Students at Union Mine High are 67% White, 23% Hispanic, 5% Two or more races, 2% American Indian, 1% Asian.

Union Mine High is fed by the following schools:

Elementary : Gold Oak Elementary
Elementary : Indian Creek Elementary
Elementary : Indian Diggings Elementary
Elementary : Pioneer Elementary
Elementary : Walt Tyler Elementary
Middle : Herbert C. Green Middle
Middle : Mountain Creek Middle
Middle : Pleasant Valley Middle

Union Mine High ranks 505th of 2323 California high schools. SchoolDigger rates this school 4 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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