L Ren teaches 5 sections of 3 courses at UIUC this Spring 2027: CS 539, ECE 422, ECE 526. 5 sections have open seats. Open a course for the live picker and a free email when a seat opens.
Instructor of record from UIUC's public class schedule; grade distributions as published by UIUC. All UIUC instructors. ClassMaxx is not affiliated with UIUC.
The iPhone app pushes the alert the second a seat opens, builds four ready schedules from your degree audit, and ranks sections by real grades. Free; a $4.99 Fast pass per semester makes alerts instant.