While recruiting teachers for her school, Sarah tested the applicants on their subject knowledge, presentation skills, and use of multiple methods of teaching. However, she found that student learning...

While recruiting teachers for her school, Sarah tested the applicants on their subject knowledge, presentation skills, and use of multiple methods of teaching. However, she found that student learning did not improve dramatically even after these teachers were recruited. What among the following should she do to gauge teacher effectiveness?

A. Assess the teachers on their language skills and ability to speak multiple languages.

B. Provide feedback collected from surveys of student perceptions of their teachers’ performance in the classroom.

C. Identify the teachers who encourage competition by comparing students.

D. Assess the teachers’ subject knowledge and ability to answer questions.