Related Clues:

• What schoolmaster does, not one to change
• Locomotive's shape, one conceded, to undergo alteration
• Morph translator's style to cover a non-smoker
• Change poles for stopping streetcar
• Change class after one leaves train station's opening
• Change markedly
• One leaves coach and school class with convert
• Change answer drained teacher's put before class
• Change trains leaving current platform? Not half!
• Change in class of people with non-binary gender?
• Change exercises after missing one class
• Overhaul locomotives leaving one half of platform
• Commute in coaches lacking one class