After DES 153
Gateway: DES 153
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.
Each of these unlocks the largest share of downstream work on this map. Courses from other departments can appear here when they genuinely gate DES coursework.
Generated from Lehigh University’s catalog, prerequisite, and concentration data. Spotted an error? Departments can adjust labels, ordering, and notes without a code change, so contact us.
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 DES 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 24 DES and feeder courses that have prerequisite links. 20 more DES 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.
The deepest prerequisite chains in DES. These are the routes that take the most semesters to climb.
5 courses deep, ending at DES 353
4 courses deep, ending at DES 240
3 courses deep, ending at DES 272
3 courses deep, ending at DES 348
All DES courses in the Lehigh 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 DES yet.
No clubs or organizations on record under DES yet.
This shows once five students share their club memberships.
DES does not run a page here yet. When it does, its events show up here and on the Lehigh campus feed.