Final answer:
The key concepts from Rita Pierson's talk are the importance of mentorship, the role of teachers as champions, and creating a positive learning environment. All these factors (d) All of the above are crucial for educational success and are interrelated in contributing to equitable education for students.
Step-by-step explanation:
From Rita Pierson's TED Talk, some key concepts or ideas that are important to hold on to include the importance of mentorship, as indicated by Mr. Ba's statement on the role of grandmothers and teachers in imparting positive values to children, and the critical presence of mentors in early childhood education. Additionally, the role of teachers as champions for their students' success is underscored by the emphasis on recruiting top teachers who can demonstrate student growth and create a supportive and positive learning environment. Lastly, creating a positive learning environment is a common thread throughout Pierson's talk and the other materials, suggesting that such an environment directly influences student achievement and the ability to overcome societal limitations.
The answer to the initial question is (d) All of the above, as each element is crucial for fostering educational success and lifelong learning. These concepts are interrelated and contribute to the broader goal of providing equitable and empowering education to all students, regardless of their socio-economic or cultural backgrounds.