Lone Hill Middle

Summary:

Lone Hill Middle is a public middle school located in San Dimas, California, serving grades 6-8 with a total enrollment of 912 students. It is part of the Bonita Unified School District, which is ranked 294 out of 1,568 districts in California and has a 4-star rating from SchoolDigger. Lone Hill Middle has consistently maintained a 4-star rating from SchoolDigger over the past several years, indicating it is a high-performing school within the state.

Lone Hill Middle consistently outperforms the state average in Smarter Balanced Assessments for English Language Arts/Literacy and Mathematics across all grade levels. For example, in the 2023-2024 school year, Lone Hill Middle's proficiency rates were 71.61% in ELA and 53.73% in Math, compared to the state averages of 47.04% and 35.54%, respectively. The school also excels in the performance of specific student subgroups, with 5-star ratings for Asian, Hispanic, and Low Socioeconomic Status students. While Lone Hill Middle has seen an increase in chronic absenteeism rates in recent years, reaching 18.6% in 2021-2022, the school still performs better than the state average of 19.1%.

When compared to other middle schools in the surrounding area, such as Ramona Middle, Lone Hill Middle generally outperforms its peers in academic performance. Additionally, the school's relatively high percentage of students eligible for free and reduced-price lunch, around 40% in recent years, indicates it serves a significant population of economically disadvantaged students, making its strong academic performance even more noteworthy.


Detail:

Public 6-8

 700 South Lone Hill
       San Dimas, CA  91773-1437


(909) 971-8270

District: Bonita Unified

SchoolDigger Rank:
287th of 2,777 California Middle Schools


Students who attend Lone Hill Middle usually attend:

High:    San Dimas High

Feeder schools for Lone Hill Middle:

Elementary:    Arma J. Shull Elementary
    Fred Ekstrand Elementary
    Gladstone Elementary

Student/teacher ratio:  24.7 Help
Number of students:  912

Racial breakdown:

Hispanic:
58.0%
White:
17.9%
Asian:
10.7%
more

Free/discounted lunch recipients:  39.9% Help


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Performance Trends
Help
Compare Details Lone Hill Middle ranks better than 89.7% of middle schools in California. (See more...)
Help
Compare Details In 2024 the calculated Average Standard Score was 89.5. (See more...)
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: Hispanic (58%), White (17.9%), Asian (10.7%). (See more...)
Help
Compare Details 39.9% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Lone Hill Middle is 24.7. (See more...)
Help
Compare Lone Hill Middle employs 36.8 full-time teachers.
Schooldigger 2024 Rankings:

Lone Hill Middle:

SchoolDigger ranks Lone Hill Middle 287th of 2777 California public middle schools. (See Lone Hill Middle 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:
Asian students:
Hispanic students:
White students:


Bonita Unified:

SchoolDigger ranks Bonita Unified 294th of 1568 California school districts. (See district ranking list.)


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Rank History for Lone Hill Middle

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Compare

Rank History for all students at Lone Hill Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2004 57.34 630th 1769 64.4%
2005 58.07 648th 1777 63.5%
2006 52.79 761st 1804 57.8%
2007 56.52 750th 1999 62.5%
2008 61.33 678th 2005 66.2%
2009 59.09 771st 2063 62.6%
2010 54.30 920th 2179 57.8%
2011 62.81 739th 2236 66.9%
2012 66.29 665th 2259 70.6%
2013 73.51 497th 2379 79.1%
2015 70.87 629th 2477 74.6%
2016 66.03 729th 2497 70.8%
2017 74.82 572nd 2508 77.2%
2018 75.97 512th 2480 79.4%
2019 80.49 474th 2715 82.5%
2022 77.03 547th 2740 80.0%
2023 82.46 428th 2802 84.7%
2024 89.50 287th 2777 89.7%
See the entire list of California Middle School Rankings!

Rank History for Multi-racial students at Lone Hill Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 60.36 209th 462 54.8%
2019 57.66 273rd 554 50.7%
2022 62.17 255th 665 61.7%
2023 69.71 212th 678 68.7%
2024 64.12 254th 699 63.7%
See the entire list of Best California Middle Schools for Multi-racial Students!

Rank History for English Language Learner students at Lone Hill Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 65.92 246th 1364 82.0%
2019 57.59 324th 1442 77.5%
2022 76.08 142nd 1540 90.8%
2023 77.21 127th 1529 91.7%
See the entire list of Best California Middle Schools for English Language Learner Students!

Rank History for Special Education students at Lone Hill Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2023 58.68 410th 1538 73.3%
2024 64.94 348th 1550 77.5%
See the entire list of Best California Middle Schools for Special Education Students!

Rank History for Low Socio Economic Status students at Lone Hill Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 78.57 311th 2230 86.1%
2019 84.12 230th 2369 90.3%
2022 83.76 229th 2458 90.7%
2023 81.30 307th 2549 88.0%
2024 88.01 218th 2575 91.5%
See the entire list of Best California Middle Schools for Low Socio Economic Status Students!

Rank History for Female students at Lone Hill Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 79.94 409th 2262 81.9%
2019 81.04 410th 2380 82.8%
2022 74.55 537th 2509 78.6%
2023 81.59 408th 2547 84.0%
2024 89.42 257th 2546 89.9%
See the entire list of Best California Middle Schools for Female Students!

Rank History for Disabled students at Lone Hill Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 68.11 265th 1369 80.6%
2019 67.26 310th 1491 79.2%
2022 63.57 354th 1531 76.9%
See the entire list of Best California Middle Schools for Disabled Students!

Rank History for Male students at Lone Hill Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 69.15 600th 2273 73.6%
2019 77.04 488th 2407 79.7%
2022 77.60 481st 2527 81.0%
2023 80.98 420th 2558 83.6%
2024 87.68 296th 2547 88.4%
See the entire list of Best California Middle Schools for Male Students!

Rank History for Asian students at Lone Hill Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 64.00 291st 700 58.4%
2019 73.48 209th 745 71.9%
2022 72.73 209th 733 71.5%
2023 72.74 195th 718 72.8%
2024 85.51 39th 741 94.7%
See the entire list of Best California Middle Schools for Asian Students!

Rank History for African American students at Lone Hill Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 85.69 56th 643 91.3%
2022 62.13 190th 637 70.2%
See the entire list of Best California Middle Schools for African American Students!

Rank History for Hispanic students at Lone Hill Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 81.71 255th 2072 87.7%
2019 85.82 198th 2213 91.1%
2022 86.20 192nd 2359 91.9%
2023 88.22 173rd 2391 92.8%
2024 93.97 90th 2383 96.2%
See the entire list of Best California Middle Schools for Hispanic Students!

Rank History for White students at Lone Hill Middle

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 63.64 546th 1496 63.5%
2019 66.79 513th 1602 68.0%
2022 50.70 755th 1555 51.4%
2023 66.56 481st 1552 69.0%
2024 78.28 265th 1535 82.7%
See the entire list of Best California Middle 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.

Lone Hill Middle 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 Lone Hill Middle

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Compare
Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
1988 588 63 70 151 4 n/a n/a 0 876
1989 592 87 93 170 4 n/a n/a 0 946
1990 593 66 98 204 3 n/a n/a 0 964
1991 654 66 102 218 2 n/a n/a 0 1042
1992 681 67 100 226 4 n/a n/a 0 1078
1993 689 66 94 240 1 n/a n/a 0 1090
1994 576 60 91 235 3 n/a n/a 0 965
1995 594 73 93 294 6 n/a n/a 0 1060
1996 594 73 93 294 6 n/a n/a 0 1060
1997 599 59 99 295 6 n/a n/a 0 1058
1998 592 59 94 295 11 n/a n/a 0 1051
1999 543 56 102 305 10 n/a n/a 0 1016
2000 544 63 94 308 9 n/a n/a 3 1021
2001 580 61 110 354 7 n/a n/a 12 1124
2002 588 78 92 391 13 n/a n/a 19 1181
2003 588 78 92 391 13 n/a n/a 19 1181
2004 475 49 49 366 9 n/a n/a 196 1144
2005 417 43 49 324 7 n/a n/a 190 1030
2006 372 37 64 286 4 n/a n/a 249 1012
2007 344 37 59 295 1 n/a n/a 224 960
2008 323 34 57 283 2 n/a n/a 0 699
2009 325 25 58 280 3 1 185 0 877
2010 318 28 55 446 4 2 53 0 906
2011 306 28 58 430 3 1 57 0 883
2012 312 31 74 438 2 5 65 0 927
2013 302 33 83 425 0 1 80 0 924
2014 286 41 91 402 0 2 87 0 909
2015 293 40 89 452 1 1 70 0 946
2016 284 35 75 472 1 2 84 0 953
2017 244 30 72 492 1 2 81 0 922
2018 229 27 67 522 4 2 75 0 926
2019 217 30 87 532 1 1 84 0 952
2020 219 30 78 537 2 0 82 0 948
2021 178 24 90 495 3 1 95 0 886
2022 180 32 88 485 3 0 86 0 874
2023 163 31 98 529 0 1 90 0 912

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 Lone Hill Middle

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1988 876 34.5 25.3 n/a
1989 946 36.4 25.9 n/a
1990 964 40.4 23.8 n/a
1991 1042 41.2 25.2 n/a
1992 1078 41.9 25.7 20.7
1993 1090 41.4 26.3 26.4
1994 965 34.8 27.7 27.9
1995 1060 35.6 29.8 29.9
1996 1060 35.6 29.8 29.9
1997 1058 42.6 24.8 29.5
1998 1051 42.4 24.8 26.1
1999 1016 39.8 25.5 27.9
2000 1021 39.6 25.8 23.1
2001 1124 41.4 27.1 26.4
2002 1181 43.2 27.3 27.3
2003 1181 43.2 27.3 27.3
2004 1144 43.0 26.6 30.3
2005 1030 38.0 27.1 31.5
2006 1012 34.4 29.4 35
2007 960 33.6 28.6 38.5
2008 699 40.1 17.4 35.6
2009 877 34.2 22.7 24.7
2010 906 32.4 27.9 33
2011 883 n/a n/a 34.7
2012 927 34.2 27.1 n/a
2013 924 33.4 27.6 34.7
2014 909 34.4 26.3 35.2
2015 946 37.0 25.5 38.3
2016 953 35.0 27.2 38.9
2017 922 34.6 26.6 37.3
2018 926 34.6 26.7 45.4
2019 952 37.6 25.3 45.6
2020 948 n/a n/a 42.1
2021 886 37.8 23.4 40.7
2022 874 37.4 23.3 40.4
2023 912 36.8 24.7 39.9

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 Lone Hill Middle

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1988 876 34.5 25.3 n/a
1989 946 36.4 25.9 n/a
1990 964 40.4 23.8 n/a
1991 1042 41.2 25.2 n/a
1992 1078 41.9 25.7 20.7
1993 1090 41.4 26.3 26.4
1994 965 34.8 27.7 27.9
1995 1060 35.6 29.8 29.9
1996 1060 35.6 29.8 29.9
1997 1058 42.6 24.8 29.5
1998 1051 42.4 24.8 26.1
1999 1016 39.8 25.5 27.9
2000 1021 39.6 25.8 23.1
2001 1124 41.4 27.1 26.4
2002 1181 43.2 27.3 27.3
2003 1181 43.2 27.3 27.3
2004 1144 43.0 26.6 30.3
2005 1030 38.0 27.1 31.5
2006 1012 34.4 29.4 35
2007 960 33.6 28.6 38.5
2008 699 40.1 17.4 35.6
2009 877 34.2 22.7 24.7
2010 906 32.4 27.9 33
2011 883 n/a n/a 34.7
2012 927 34.2 27.1 n/a
2013 924 33.4 27.6 34.7
2014 909 34.4 26.3 35.2
2015 946 37.0 25.5 38.3
2016 953 35.0 27.2 38.9
2017 922 34.6 26.6 37.3
2018 926 34.6 26.7 45.4
2019 952 37.6 25.3 45.6
2020 948 n/a n/a 42.1
2021 886 37.8 23.4 40.7
2022 874 37.4 23.3 40.4
2023 912 36.8 24.7 39.9

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 Lone Hill Middle

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 474th of 2715 Middle schoolsRanks 428th of 2802 Middle schools
 2.2%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
6th Grade English Language Arts/Literacy (Lone Hill Middle)66.362.8
 3.5%
   6th Grade English Language Arts/Literacy (Bonita Unified)64.965.7
 0.7%
   6th Grade English Language Arts/Literacy (California)48.544.2
 4.3%
6th Grade Mathematics (Lone Hill Middle)61.248.7
 12.5%
   6th Grade Mathematics (Bonita Unified)60.348.8
 11.5%
   6th Grade Mathematics (California)38.533.2
 5.3%
7th Grade English Language Arts/Literacy (Lone Hill Middle)6368.9
 5.8%
   7th Grade English Language Arts/Literacy (Bonita Unified)66.274.4
 8.3%
   7th Grade English Language Arts/Literacy (California)51.447.4
 3.9%
7th Grade Mathematics (Lone Hill Middle)51.253.6
 2.4%
   7th Grade Mathematics (Bonita Unified)55.357.3
 2%
   7th Grade Mathematics (California)37.933.2
 4.7%
8th Grade English Language Arts/Literacy (Lone Hill Middle)66.465.4
 1%
   8th Grade English Language Arts/Literacy (Bonita Unified)70.570.6
 0.1%
   8th Grade English Language Arts/Literacy (California)49.445.7
 3.8%
8th Grade Mathematics (Lone Hill Middle)5138.5
 12.5%
   8th Grade Mathematics (Bonita Unified)59.150.4
 8.8%
   8th Grade Mathematics (California)36.629.9
 6.7%
8th Grade Science (Lone Hill Middle)4341.6
 1.5%
   8th Grade Science (Bonita Unified)48.946.2
 2.8%
   8th Grade Science (California)30.828.8
 2.1%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students952912
 4.2%
African American3031
 3.3%
American Indian10
 100%
Asian8798
 12.6%
Hispanic532529
 0.6%
Pacific Islander11
White217163
 24.9%
Two or More Races8490
 7.1%
% Free/Discounted Lunch Recipients45.6%39.9%
 5.7%


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Frequently Asked Questions about Lone Hill Middle

Students who attend Lone Hill Middle usually go on to attend San Dimas High

Lone Hill Middle ranks 287th of 2777 California middle schools. SchoolDigger rates this school 4 stars out of 5.

Students at Lone Hill Middle are 58% Hispanic, 18% White, 11% Asian, 10% Two or more races, 3% African American.

In the 2022-23 school year, 912 students attended Lone Hill Middle.


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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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