Mary Williams Elementary
Dumfries, VA · Elementary School · Grades -1-5
Performance Overview
About This School
Mary Williams Elementary is a elementary school located in Dumfries, Virginia. The school serves 718 students in grades -1-5.
With a DataScore of 44/100 (D), Mary Williams Elementary performs below the state average for Virginia. The school has experienced declining performance over the past three years.
57% of students qualify for free or reduced-price lunch, which is factored into the resource access component of the DataScore.
Frequently Asked Questions
Mary Williams Elementary has a DataScore of 44/100 (Grade D), based on academic proficiency (35%), growth trend (30%), and resource access (35%). This measures actual student outcomes, not school inputs.
Mary Williams Elementary has 718 students enrolled in grades -1-5. The student-to-teacher ratio is 16.0:1.
Mary Williams Elementary has experienced a decline with a 3-year growth score of -14.
The DataScore (0-100, A-F) grades every US public school based on academic outcomes: proficiency rates (35%), 3-year growth trend (30%), graduation rate for high schools (20%), and resource access (15%). Unlike other ratings, it focuses on what students actually achieve.
Mary Williams Elementary is part of the Prince William County Public Schools in Dumfries, Virginia. You can view all schools in this district and compare their performance on the district page.
DataScore is calculated from NCES proficiency rates, 3-year growth trends, graduation rates (high schools), and resource access indicators.