Here’s a hint: the desks are NOT too small.
As a 6'2" 260# man who was never under 220# even when in prime fitness, I disagree. I go to events held in college and university classrooms and the f***ing little desks are too small. Obviously whoever's doing the buying doesn't give a crap about it or thinks only little kids will be sitting there. OR maybe they're just buying for "average" forgetting that average is composed from the entire population which includes plenty of folks nowhere near average.
There's a legitimate grievance here, but the administrators won't hear it unless it's phrased in politically correct form.