The 2020 Quality Counts report ranked Virginia's K–12 education eighth in the country, with a letter grade of B. All school divisions must adhere to educational standards set forth by the Virginia Department of Education, which maintains an assessment and accreditation regime known as the Standards of Learning to ensure accountability. Public K–12 schools in Virginia are generally operated by the counties and cities, and not by the state. a total of 1,290,576 students were enrolled in 2,293 local and regional schools in the Commonwealth, including eight charter schools, and an additional 98 alternative and special education centers across 133 school divisions. 2018 marked the first decline in overall enrollment in public schools, by just over 2,000 students, since 1984. Besides the general public schools in Virginia, there are Governor's Schools and selective magnet schools. The Governor's Schools are a collection of more than forty regional high schools and summer programs intended for gifted students. The Virginia Council for Private Education oversees the regulation of 483 state accredited private schools. An additional 17,283 students receive homeschooling. In 2019, 91.5% of high school students graduated on-time after four years, an increase of two percent from 2013, and 89.3% of adults over the age 25 had their high school diploma. Virginia has one of the smaller racial gaps in graduation rates among U.S. states, with 89.7% of Black students graduating on time, compared to 94.7% of white students and 97.5% of Asian students. Despite ending school segregation in the 1960s, seven percent of Virginia's public schools were rated as "intensely segregated" by The Civil Rights Project at UCLA in 2019, and the number has risen since 1989, when only three percent were. Virginia has comparatively large public school districts, typically comprising entire counties or cities, and this helps mitigate funding gaps seen in other states such that non-white districts average slightly more funding, $255 per student , than majority white districts. Elementary schools, with Virginia's smallest districts, were found to be more segregated than state middle or high schools by a 2019 VCU study. Colleges and universities , Virginia has the sixth highest percent of residents with bachelor's degrees or higher, with 39.5%. The Department of Education recognizes 163 colleges and universities in Virginia. In the 2022 U.S. News & World Report ranking of national public universities, the University of Virginia is ranked 3rd, the College of William and Mary is 13th,