The Chronicle of Higher Education's annual Almanac. This year, it's dated August 14th for 2026-2027 but most of the data is from 2024 with a bit from 2025. Still it is telling, and to me, quite surprising in places.
IRemarkably, as many schools move back to testing, at least one school has moved away from grading students- at least initially in a pilot program that will launch next year.