3 adjectives to describe schoolteacher

" "It was a gent you'd never have suspectedthat skinny little schoolteacher, Gaspar.

" "It was a gent you'd never have suspectedthat skinny little schoolteacher, Gaspar.

It was what might be termed a mixed assemblage, including several women of wealth and fashion who had been motoring on the Continent and had had their cars taken from them, two prim schoolteachers from Brooklyn, a mine-owner from West Virginia, a Pennsylvania Quaker, and a quartet of professional tango-dancersartists, they called themselveswho had been doing a "turn" at a Brussels music-hall when the war suddenly ended their engagement.

3 adjectives to describe  schoolteacher