Here is the full list of all 15 Space Pilgrim Academy achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Get top marks in the first class at the academy.
Complete act three of Space Pilgrim Academy.
Show the Colonel your survival instincts.
Impress Amari with your poem.
Demonstrate your skill as a computer scientist.
Complete act two of Space Pilgrim Academy.
Ace the Navigation class.
Make Professor Lenke happy.
Be an excellent host.
Make a good impression in the Philosophy class.
Work with Diane to receive a good grade in Engineering.
Complete act one of Space Pilgrim Academy.
Impress the Colonel with your knowledge of military tactics.
Don't make a single mistake in the Xenobiology class.
Receive an impressive score in the Cosmography class.