Conversation so far:
Where did Theodore Roosevelt attend school?
Theodore Roosevelt was home-schooled, and he began a lifelong naturalist avocation before attending Harvard College.
Did Theodore Roosevelt attend college?
Theodore Roosevelt entered Harvard College on September 27, 1876.
What did Theodore Roosevelt study?
Theodore Roosevelt studied biology intently and was already an accomplished naturalist and a published ornithologist.

Question: What accomplishments did he having during his schooling?
Self-contained rewrite: What accomplishments did Theodore Roosevelt have during his schooling?