The trivia game created by Givling also has a crowdfunding component that helps pay off a player’s student loan or home mortgage.

Yarmouth High School is making a gradual shift toward the mastering-skills system rather than a comprehensive overhaul, an approach that may be adopted by educators across the state.

Some schools are struggling to make the transition, threatening the ultimate goal of having a diploma from anywhere in Maine that marks a student’s mastery of the same standards.