Mathematics
MathCounts (6-8)
The Math League (4-12)
Noetic Learning Math Contest (2-8)
Math Olympiads (4-8)
Perennial Math (3-8)
Pi Math Contest (3-8)
Continental Mathematics League (2-12)
USA Mathematical Talent Search (6-12)
American Mathematics Competitions (K-12)
Math Kangaroo (K-12)
Social Studies
National Geography Bee (2-8)
National History Bee (2-8)
C-SPAN's Student Cam (6-12)
Language Arts
Scripps National Spelling Bee (3-8)
Word Masters Challenge (3-8)
Haiku Society of America Poetry Contest (7-12)
Creative Communications Poetry Contest (K-9)
"I Matter" Poetry Contest (K-12)
NCTE Promising Your Writers (8)
Carl Sandburg Student Poetry Contest (3-12)
STEM
Science Olympiad (K-12)
First Robotics Competition (K-12)
National Science Bee (2-8)
National Invention Convention (K-12)
National Robotics Challenge (4-12)
Toshiba ExploraVision (K-12)
You Be the Solution STEM Challenge (5-8)
Rubber Band Contest for Young Inventors (5-8)
Destination Imagination (K-12)
Rube Goldberg Machine Contest (K-12)
CyberFair (K-12)
American Rocketry Challenge (6-12)
Congressional App Challenge (6-12)
National Gallery for America's Young Inventors (K-12)
Art
NJHA Digital Photography Contest (2-12)
Junior Duck Stamp Competition (K-12)
National PTA Reflections: Art Contest (K-12)
National Gallery for America's Young Artists (K-12)
Multiple Subjects
Academic Pentathlon (7-12)
AGLOA Academic Games (4-12)
Science Without Borders Art Challenge (5-12)
Scholastic Art & Writing Awards (7-12)
EngineerTeen Writing Contest (3-12)
River of Words: Poetry and Art Contest (K-12)
Problem-Solving & Miscellaneous
Odyssey of the Mind (K-12)
Stock Market Game (4-12)
Gloria Barron Prize for Young Heroes (2-12)
NJHA Floral Arrangements Contest (K-12)