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Dibs Fall 2026

C&EE 255B

Biological Processes for Water and Wastewater Treatment

Course statistics

Predicted GPA
3.56
n = 52 · 3 terms · ± 0.068
A range
52%
of letter grades
Taken P/NP
0%
— of those passed
D / F / W
0.0%
incl. withdrawals

Sections in Fall 2026

Not offered in Fall 2026.

Enrollment history

Final enrollment per term, averaged across that term's sections. Four years deep, summer excluded. Per-section live curves are on each section page.

  • 2922W
  • 1224W
  • 1225W
Enrolment by term: 22W 29, 24W 12, 25W 12
Peak 29 Most recent 12 in 25W 3 terms on record

Grade distribution

  • A+ 1 · 1.9%
  • A 25 · 47.2%
  • A- 1 · 1.9%
  • B+ 10 · 18.9%
  • B 13 · 24.5%
  • B- 2 · 3.8%
  • I 1 · 1.9%

Grey bars are non-letter outcomes — P/NP, S/U, incompletes. They are excluded from the GPA entirely rather than scored, because counting a P as a 4.0 would be a fabrication.

By instructor

Instructor Predicted Raw n Terms A range
STENSTROM, MICHAEL K 3.56 3.56 52 3 52%

“Predicted” is shrunk toward the course average, which is itself shrunk toward the department — so an instructor with a handful of students sits near the course mean rather than topping the list.

By term