Mr. Johnson, an elementary principal at a low-performing school, plans to prepare a 2-year staff development plan for the school's faculty. He will follow several steps in preparing the staff development plan. Which of the following steps should he take first? Group of answer choices Visit a number of schools to gather input from other principals on how the program should be set up. Consult with the school improvement team to collaborate about possible staff development activities. Develop a follow-up and assessment plan to determine if the staff development activities were effective. Analyze the achievement data of his students for the past several years to be able to develop a focus to raise student achievement