[retbull]

You still didn't refute that his students are doing better in their later classes. If your complaint is lack of foundation what is causing his students to do better?

[selimthegrim]

_Which_ later classes though? If you disaggregate an engineering set of them might they be doing worse masked by the softballs the majority are taking?

[argonaut]

The next math class in the calculus sequence. That's about as direct of a measurement of how well they did in Math 1A than anything I can think of.

[fluidcruft]

The forest is composed of students with a variety of majors and a diverse set of "later classes".

[retbull]

The referenced class was the next in the calculus series.