Which of these concerns about educational quality is determined only at the K-12 level of public education?

The answer is A., how to appropriately test students' performance.

vvOB's Definition of Quality Education. "A good quality education is one that provides all learners with capabilities they require to become economically productive, develop sustainable livelihoods, contribute to peaceful and democratic societies and enhance individual well-being. also k to 12 primary education is vital