Although Tibetville Provides More-Than Adequate Financial Support to Its Public

Although Tibetville provides more-than adequate financial support to its public school system, the schools there have been classified by researchers as "ineffective." Which of the following changes would clearly result in the Tibetville schools becoming more effective at accomplishing their objectives?

A) institute ability tracking and hire talented teachers to instruct the high-ability students
B) institute a practice of standardized testing to monitor student achievement
C) reduce average class size from 36 students to 24 students
D) focus heavily on academic goals and provide ample praise to acknowledge good work