After IR 225
Gateway: IR 225
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 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.
Each of these unlocks the largest share of downstream work on this map. Courses from other departments can appear here when they genuinely gate IR 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 IR 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 41 IR and feeder courses that have prerequisite links. 34 more IR courses have no recorded prerequisites. They are listed under Tracks below, not drawn as loose dots here.
The concentrations and majors that build on IR, and how their requirements are structured. Expand a program to see which courses satisfy each group, then plan it in the Planner.
Collateral Requirement4 required
Introductory courses4 required
Core courses (4 courses, 16 credits)choose 1
Theory and Policy; International Political Economy; International Security Studies; International Governance
Advanced courses8 required
Select any two IR courses numbered 300-387 (except IR 307) or IR 393
Electives12 required
Select any IR courses other than IR 002 , IR 090 , IR 388 or IR 394 (normally three 4-credit courses).
Upper-level clusters, grouped by the gateway that opens them.
The deepest prerequisite chains in IR. These are the routes that take the most semesters to climb.
3 courses deep, ending at IR 222
3 courses deep, ending at IR 364
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Advanced courses in Economics (2 courses)choose 6
All IR 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 IR yet.
No clubs or organizations on record under IR yet.
This shows once five students share their club memberships.
IR does not run a page here yet. When it does, its events show up here and on the Lehigh campus feed.