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C&EE 255A

Physical and Chemical Processes for Water and Wastewater Treatment

Course statistics

Predicted GPA
3.27
n = 75 · 4 terms · ± 0.058
A range
41%
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
  • 1923W
  • 1424W
  • 1425W
Enrolment by term: 22W 29, 23W 19, 24W 14, 25W 14
Peak 29 Most recent 14 in 25W 4 terms on record

Grade distribution

  • A+ 5 · 6.6%
  • A 26 · 34.2%
  • B+ 5 · 6.6%
  • B 19 · 25.0%
  • B- 7 · 9.2%
  • C+ 3 · 3.9%
  • C 5 · 6.6%
  • C- 5 · 6.6%
  • I 1 · 1.3%

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
JASSBY, DAVID 3.23 3.22 75 4 41%

“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