It's inspired (https://www.facebook.com/Laurie-Partridge-as-a-schoolmarm-1059107074247922/?modal=admin_todo_tour) by the episode "Don't Bring Your Guns to Town, Santa", where Laurie played the local schoolmarm.

https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcS1PLsneEMzH3H7sEvxcVaZSrQN_gwAWGplWwO3ptm-TPIaPXc-Mg :loveya: