United States Court of Appeals For the Seventh Circuit ____________________ No. 21-2988 KELSEY DELISLE and KAITLIN PENNINGTON, on behalf of themselves and all others similarly situated, Plaintiffs-Appellants,

v. MCKENDREE UNIVERSITY, Defendant-Appellee. ____________________

Appeal from the United States District Court for the Southern District of Illinois. No. 3:20-cv-1073 — Staci M. Yandle, Judge. ____________________

ARGUED MAY 17, 2023 — DECIDED JULY 12, 2023 ____________________

Before RIPPLE, SCUDDER, and LEE, Circuit Judges. SCUDDER, Circuit Judge. We return yet again to the contrac- tual implications of COVID-19-related university campus closures in spring 2020. Twice now we have explained how certain pieces of evidence—including a university’s course catalogs, class registration system, and pre-pandemic prac- tices—can suffice under Illinois law to allege the existence of an implied contract between