Summarization：the paragraph is followed by an incomplete phrase or sentence which summarizes the main idea of the paragraph. Spell out the missing letter of the word on your answer sheet.

Einstein rebelled against rote learning, and that attitude helped make him the genius that he was. Likewise, our success as a nation will be determined not just by how well our schools teach the multiplication and periodic tables but by how well they promote imagination and creativity.
What should be p in school?