Westfield High

As a high-enrollment high school, Westfield High serves students in Chantilly, Virginia. Students in grades 9 through 12 attend, and enrollment is 2,737 students. The typical figure for high schools in Virginia is about 1,213 students.

Enrollment across the 199 schools in Fairfax County Public Schools totals 179,323 students.

White students are the largest group at Westfield High, with 30% of enrollment. The next largest groups are 27% Hispanic, 23% Asian, 13% Black, and 6% multiracial. The school's White share is 19 points below the 49% share among Fairfax County residents. By the diversity index, Westfield High comes in at 76%.

Dividing enrollment by its 213.4 full-time-equivalent teachers gives a ratio of about 12.8:1. Among high schools in Virginia, the typical ratio is 13.9:1. Eligible students account for 36% of enrollment in the free or reduced-price lunch program. That is close to the 37% average for public schools in Fairfax County.

Westfield High posts an average proficiency rate on state tests of 68.8%, compared with a predicted 78.4%. It is not in the top or bottom 10% of Virginia schools on BeatsExpectations.

Within Fairfax County, median household income is about $153,637, about 65% of adults have at least a bachelor's degree, and roughly 4% of residents are in poverty. Federal data list 222 public schools in Fairfax County, with a combined enrollment of about 174,475.

The closest public school to Westfield High is Cub Run Elementary, about 1.4 miles away. Other public schools within five miles number at least 8. The school's 68.8% average proficiency ranks 8th among 9 nearby schools.

The federal government classifies Westfield High's location as Suburb: Large.

The student count changed little between 2020-21 (2,691) and 2024-25 (2,737). Students per teacher fell from 15.3 in 2020-21 to 12.8 in 2024-25.

The Westfield High community page is open for posts about school events, clubs, and volunteer needs. Posting is open to anyone connected to the school.