Here is the full list of all 30 Are You Smarter Than a 5th Grader? achievements.
Acquire $1 billion lifetime (on a single profile)
Acquire $100 million lifetime (on a single profile)
Answer 50 questions correctly in the Earth / Physical Sciences category (Primetime only, on a single profile)
Answer 50 questions correctly in the Animal Sciences category (Primetime only, on a single profile)
Answer 50 questions correctly in the Measurements category (Primetime only, on a single profile)
Answer 50 questions correctly in the Vocabulary category (Primetime only, on a single profile)
Answer 50 questions correctly in the Life Sciences / Health category (Primetime only, on a single profile)
Answer 50 questions correctly in the U.S. Geography category (Primetime only, on a single profile)
Answer 50 questions correctly in the General Math category (Primetime only, on a single profile)
Answer 50 questions correctly in the Geometry / Graphing category (Primetime only, on a single profile)
Answer 50 questions correctly in the Decimals and Fractions category (Primetime only, on a single profile)
Answer 50 questions correctly in the Grammar category (Primetime only, on a single profile)
Answer 50 questions correctly in the General Social Studies category (Primetime only, on a single profile)
Answer 50 questions correctly in the Astronomy category (Primetime only, on a single profile)
Win $1 Million in 50 Primetime games! (on a single profile)
Answer 50 questions correctly in the Literature / Reading category (Primetime only, on a single profile)
Answer 50 questions correctly in the Operations category (Primetime only, on a single profile)
Answer 50 questions correctly in the General Science category (Primetime only, on a single profile)
Answer 50 questions correctly in the Art & Music category (Primetime only, on a single profile)
Answer 50 questions correctly in the World Geography category (Primetime only, on a single profile)
Answer 50 questions correctly in the History category (Primetime only, on a single profile)
Answer 50 questions correctly in the Spelling category (Primetime only, on a single profile)
Answer 50 questions correctly in the General English category (Primetime only, on a single profile)
Play 52 Primetime games (on a single profile)
Unlock all 30 Classmates (on a single profile)
Raise $1 Million from Scholarships in the School (on a single profile)
Win $1 Million in a Primetime game! (on a single profile)
Open each classroom (on a single profile)
Open each wing of the school (on a single profile)
Play a Primetime game