Mary Williams Elementary

Public PK, KG-5

 3100 Panther Pride Drive
       Dumfries, VA  22026


(703) 445-8376

District: Prince William County Public Schools

SchoolDigger Rank:
643rd of 1,114 Virginia Elementary Schools

Per Pupil Expenditures:  $8,572 Help


Students who attend Mary Williams Elementary usually attend:

Middle:    Potomac Middle
High:    Potomac High

Student/teacher ratio:  15.8 Help
Number of students:  718

Racial breakdown:

African American:
35.7%
Hispanic:
29.0%
Asian:
14.8%
more

Free/discounted lunch recipients:  56.8% Help


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Performance Trends
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Compare Details Mary Williams Elementary ranks worse than 57.7% of elementary schools in Virginia. It also ranks 46th among 64 ranked elementary schools in the Prince William County Public Schools District. (See more...)
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Compare Details In 2023 the calculated Average Standard Score was 46.74. (See more...)
Student Body
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Compare Details Student population at Mary Williams Elementary is diverse. Racial makeup is: African American (35.7%), Hispanic (29%), Asian (14.8%). (See more...)
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Compare Details 56.8% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Mary Williams Elementary is 15.8. 33 elementary schools in the Prince William County Public Schools District have better student/teacher ratios. (See more...)
Help
Compare Mary Williams Elementary employs 45.2 full-time teachers.
Finance
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Compare Details The average total spent per student at Mary Williams Elementary is $8,572. 38 elementary schools in the Prince William County Public Schools District spend more per student.
Schooldigger 2023 Rankings:

Mary Williams Elementary:

SchoolDigger ranks Mary Williams Elementary 643rd of 1114 Virginia public elementary schools. (See Mary Williams Elementary in the ranking list.)

Elementary School Test Score Ratings by Student Subgroup:


Multi-racial students:
English Language Learner students:
Female students:
Disabled students:
Military Connected students:
Male students:
Asian students:
African American students:
Hispanic students:
White students:


Prince William County Public Schools:

SchoolDigger ranks Prince William County Public Schools 40th of 131 Virginia school districts. (See district ranking list.)


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Rank History for Mary Williams Elementary

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Compare

Rank History for all students at Mary Williams Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2005 42.88 683rd 1062 35.7%
2006 11.86 1039th 1071 3.0%
2007 19.72 992nd 1083 8.4%
2008 35.08 828th 1081 23.4%
2009 32.04 898th 1082 17.0%
2010 34.73 905th 1113 18.7%
2011 29.53 946th 1117 15.3%
2012 56.18 510th 1117 54.3%
2013 48.21 623rd 1120 44.4%
2014 56.52 499th 1110 55.0%
2015 54.59 571st 1100 48.1%
2016 50.09 619th 1096 43.5%
2017 44.82 690th 1099 37.2%
2018 48.38 648th 1097 40.9%
2019 40.18 763rd 1105 31.0%
2021 40.98 702nd 1103 36.4%
2022 44.22 677th 1109 39.0%
2023 46.74 643rd 1114 42.3%
See the entire list of Virginia Elementary School Rankings!

Rank History for Multi-racial students at Mary Williams Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 68.84 81st 245 66.9%
See the entire list of Best Virginia Elementary Schools for Multi-racial Students!

Rank History for English Language Learner students at Mary Williams Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 43.33 165th 300 45.0%
See the entire list of Best Virginia Elementary Schools for English Language Learner Students!

Rank History for Female students at Mary Williams Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 46.78 632nd 1100 42.5%
See the entire list of Best Virginia Elementary Schools for Female Students!

Rank History for Disabled students at Mary Williams Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 51.12 187th 324 42.3%
See the entire list of Best Virginia Elementary Schools for Disabled Students!

Rank History for Military Connected students at Mary Williams Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 39.08 129th 182 29.1%
See the entire list of Best Virginia Elementary Schools for Military Connected Students!

Rank History for Male students at Mary Williams Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 46.42 638th 1093 41.6%
See the entire list of Best Virginia Elementary Schools for Male Students!

Rank History for Asian students at Mary Williams Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 48.19 130th 230 43.5%
See the entire list of Best Virginia Elementary Schools for Asian Students!

Rank History for African American students at Mary Williams Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 74.72 115th 579 80.1%
See the entire list of Best Virginia Elementary Schools for African American Students!

Rank History for Hispanic students at Mary Williams Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 31.15 421st 564 25.4%
See the entire list of Best Virginia Elementary Schools for Hispanic Students!

Rank History for White students at Mary Williams Elementary

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools VA State Percentile SchoolDigger Rating
2023 28.62 788th 984 19.9%
See the entire list of Best Virginia Elementary Schools for White Students!

Data source: test scores: Virginia 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.

Mary Williams Elementary Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
District Scores:
State Scores:    
  
Subgroup: 





Data source: Virginia Department of Education

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Enrollment information for Mary Williams Elementary

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Compare
Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
2005 95 198 30 77 0 n/a n/a 25 425
2006 108 213 41 95 1 n/a n/a 27 485
2007 125 312 66 151 2 n/a n/a 36 692
2008 126 345 77 169 2 n/a n/a 57 776
2009 119 292 78 155 0 n/a n/a 45 689
2010 123 298 83 162 1 n/a n/a 41 708
2011 114 337 86 206 6 2 59 0 810
2012 115 352 100 230 5 2 65 0 869
2013 121 366 104 219 3 1 57 0 871
2014 119 364 87 227 4 1 58 0 860
2015 152 391 97 253 3 3 63 0 962
2016 151 382 111 263 2 1 74 0 984
2017 152 434 115 300 1 1 62 0 1065
2018 98 299 107 190 1 2 54 0 751
2019 104 292 100 192 0 2 45 0 735
2020 90 300 108 195 2 2 45 0 742
2021 76 266 98 185 1 2 52 0 680
2022 88 251 91 181 0 2 48 0 661
2023 98 256 106 208 0 2 48 0 718

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 Mary Williams Elementary

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2005 425 n/a n/a 44.3
2006 485 39.0 12.4 43.2
2007 692 49.0 14.1 44.7
2008 776 45.0 17.2 40.9
2009 689 40.0 17.2 44.1
2010 708 42.0 16.8 44.5
2011 810 46.0 17.6 40.9
2012 869 45.2 19.2 45.6
2013 871 44.8 19.4 40.4
2014 860 50.3 17.0 40.2
2015 962 48.0 20.0 41.3
2016 984 56.0 17.5 41.7
2017 1065 60.3 17.6 39.2
2018 751 46.3 16.2 37.3
2019 735 44.3 16.5 37.7
2020 742 41.0 18.0 41.8
2021 680 45.8 14.8 n/a
2022 661 44.3 14.9 46.9
2023 718 45.2 15.8 56.8

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 Mary Williams Elementary

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2005 425 n/a n/a 44.3
2006 485 39.0 12.4 43.2
2007 692 49.0 14.1 44.7
2008 776 45.0 17.2 40.9
2009 689 40.0 17.2 44.1
2010 708 42.0 16.8 44.5
2011 810 46.0 17.6 40.9
2012 869 45.2 19.2 45.6
2013 871 44.8 19.4 40.4
2014 860 50.3 17.0 40.2
2015 962 48.0 20.0 41.3
2016 984 56.0 17.5 41.7
2017 1065 60.3 17.6 39.2
2018 751 46.3 16.2 37.3
2019 735 44.3 16.5 37.7
2020 742 41.0 18.0 41.8
2021 680 45.8 14.8 n/a
2022 661 44.3 14.9 46.9
2023 718 45.2 15.8 56.8

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 Mary Williams Elementary

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YearExpenditures from Federal FundsExpenditures from State and Local FundsTotal Expenditures Per Pupil (All Funds)
2019 $00 (0.0%) $7,731 (100.0%) $7,731
2020 $59 (0.8%) $7,290 (99.2%) $7,350
2021 $284 (3.3%) $8,288 (96.7%) $8,572

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

Impact of COVID-19 on Mary Williams Elementary

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 763rd of 1105 Elementary schoolsRanks 643rd of 1114 Elementary schools
 11.3%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
3rd Grade Mathematics (Mary Williams Elementary)8562
 23.1%
   3rd Grade Mathematics (Prince William County Public Schools)8575.4
 9.6%
   3rd Grade Mathematics (Virginia)8269.1
 12.9%
3rd Grade English Reading (Mary Williams Elementary)7356.6
 16.4%
   3rd Grade English Reading (Prince William County Public Schools)7269.9
 2.1%
   3rd Grade English Reading (Virginia)7166.1
 4.9%
4th Grade Mathematics (Mary Williams Elementary)8065.2
 14.8%
   4th Grade Mathematics (Prince William County Public Schools)8675.8
 10.3%
   4th Grade Mathematics (Virginia)8369.7
 13.3%
4th Grade English Reading (Mary Williams Elementary)7370.9
 2.1%
   4th Grade English Reading (Prince William County Public Schools)7877.4
 0.6%
   4th Grade English Reading (Virginia)7572.7
 2.3%
5th Grade Mathematics (Mary Williams Elementary)6971.1
 2.1%
   5th Grade Mathematics (Prince William County Public Schools)8474.3
 9.7%
   5th Grade Mathematics (Virginia)8167
 14%
5th Grade Science (Mary Williams Elementary)7167.8
 3.2%
   5th Grade Science (Prince William County Public Schools)8172.3
 8.7%
   5th Grade Science (Virginia)7966
 13%
5th Grade English Reading (Mary Williams Elementary)7568.6
 6.4%
   5th Grade English Reading (Prince William County Public Schools)8076.1
 3.9%
   5th Grade English Reading (Virginia)7871.4
 6.6%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students735718
 2.3%
African American292256
 12.3%
American Indian00
Asian100106
 6%
Hispanic192208
 8.3%
Pacific Islander22
White10498
 5.8%
Two or More Races4548
 6.7%
% Free/Discounted Lunch Recipients37.7%56.8%
 19.1%


Schools Near Mary Williams Elementary









Frequently Asked Questions about Mary Williams Elementary

Students who attend Mary Williams Elementary usually go on to attend:

Middle : Potomac Middle
High : Potomac High

In the 2022-23 school year, 718 students attended Mary Williams Elementary.

Mary Williams Elementary ranks 643rd of 1114 Virginia elementary schools. SchoolDigger rates this school 2 stars out of 5.

Students at Mary Williams Elementary are 36% African American, 29% Hispanic, 15% Asian, 14% White, 7% Two or more races.


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

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that school and district boundary data 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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