District Of Columbia contains four schools that offer astronomy programs. Johns Hopkins University, the highest-ranking astronomy school in DC, has a total student population of 20,383 and is the 19th highest ranked school in America.
Of the 4 astronomy schools in District Of Columbia, only 3 have a student population over 10k. After taking into account tuition, living expenses, and financial aid, Franklin and Marshall College comes out as the most expensive ($28,744/yr), with George Mason University as the lowest recorded at only $10,384/yr.
Astronomy students from District Of Columbia schools who go on to become astronomers, astrophysicistss, lunar and planetary institute directors, national radio astronomy observatory directors, etc. have a good chance at finding employment. For example, there are 1,240 people working as astronomers alone in the US, and their average annual salary is $102,740. Also, Atmospheric and space scientists make on average $85,160 per year and there are about 8,320 of them employed in the US today.
Also, within the astronomy schools in District Of Columbia, the average student population is 6,076 and average student-to-faculty ratio is 16 to 1. Aside from astronomy, there are 1138 total degree (or certificate) programs in the state, with 7,715 people on average applying for a school. Undergraduate tuition costs are normally around $0, but can vary widely depending on the type of school.