After AS.220.106
Gateway: AS.220.106
Building the department map…
Building the department map…
Department paths
Courses with no prerequisites inside the department that unlock the most downstream work.
The shortest canonical route from each entry point to a gateway course.
Generated from Johns Hopkins University’s catalog, prerequisite, and concentration data. Spotted an error? Departments can adjust labels, ordering, and notes without a code change, so contact us.
Each of these unlocks the largest share of downstream work on this map. Courses from other departments can appear here when they genuinely gate AS.220 coursework.
Intro tiers at the top, advanced work below; arrows point from a prerequisite to the course it unlocks. Courses from other departments appear where they gate AS.220 work. Click any course to see what it requires and unlocks without leaving this page; hovering lights up its neighbors. The lists on this page carry the same courses in text form.
Showing the 42 AS.220 and feeder courses that have prerequisite links. 44 more AS.220 courses have no recorded prerequisites. They are listed under Tracks below, not drawn as loose dots here.
Upper-level clusters, grouped by the gateway that opens them.
Gateway: AS.220.106
Gateway: AS.220.200
Gateway: AS.220.201
The deepest prerequisite chains in AS.220. These are the routes that take the most semesters to climb.
4 courses deep, ending at AS.220.202
4 courses deep, ending at AS.220.301
2 courses deep, ending at AS.220.416
All AS.220 courses in the Johns Hopkins catalog
Grade medians are for verified students. Sign in with your school email to see them.
Use your school emailNo section schedule with instructor names for AS.220 yet.
No clubs or organizations on record under AS.220 yet.
This shows once five students share their club memberships.
AS.220 does not run a page here yet. When it does, its events show up here and on the Johns Hopkins campus feed.