Colleges › UIUC › Grades › CS 124
UIUC grade distribution

CS 124: Introduction to Computer Science I

91% of the 8,181 students who finished CS 124 at UIUC got an A or B, across 11 sections and 1 instructors.

A 79%B 12%C 4%D/F 5%W 1%

Watch CS 124 for an open seat Free

Loading this semester's sections…

By instructor, easiest first

InstructorGrades givenStudents
Challen, Geoffrey W
11 sections · last Summer 2025
79% A · 12% B · 4% C · 5% D/F
8,181

Instructors with at least 20 graded students. Past grades don't guarantee future ones.

Which CS 124 section is open right now?

ClassMaxx shows this semester's CS 124 sections with live seat counts, ranked by these grades, and alerts you when a full one opens.

Get the iPhone appAll colleges

ClassMaxx is not affiliated with UIUC. We never ask for a school password.

Source: grade distributions published by UIUC. All UIUC grade distributions · CS 124 sections, times and prerequisites.