Final answer:
Marva Collins left the Chicago Public School System to start her own school because she became annoyed with the other teachers who did not share her enthusiasm for teaching.
Step-by-step explanation:
Marva Collins left the Chicago Public School System to start her own school because she became annoyed with the other teachers who did not share her enthusiasm for teaching.
She wanted to create an environment where students were motivated and supported in their learning. By starting her own school, Collins had the freedom to implement her teaching methods and curriculum without being restricted by the policies and practices of the public school system.