Mr. Sterling wants to improve student achievement by increasing the time that students spend learning. Which type of time would be most valuable to increase for that purpose?

Engaged time

Explanation: The sort of time Mr. Sterling would employ to improve student achievement by increasing the time that students spend learning is engaged time. Engaged time is also known as time-on-task and is defined as the portion of instructional time that students spend directly involved in learning activities. Here, students are on task behaviorally and cognitively through answering of questions, working accurately, and demonstrating understanding of subject topics. This time has the strongest link with academic achievement.

no one should discriminated against because he or she is not from a minority group

answer; nonpartisan election;