National Association of Math Circles (high school)

Sonya Kovalevsky High School Mathematics Days

Research Experiences for Undergraduates (REU)

Math in Moscow semester for undergraduates

MathPrograms.org (search by type)

Budapest Semester for undergraduates

Jacobs Semesters in Mathematics

MASS Program at Penn State for undergraduates

Visit websites of university mathematics departments to see if they offer day, weekend or summer programs for high school students.

Follow the AMS Graduate Student Blog

Smith College Center for Women in Mathematics Junior Program

Smith College Center for Women in Mathematics Post-Baccalaureate Program

Who Wants to Be a Mathematician (high school)

AMS-MAA-SIAM Morgan Prize (undergraduate)

Intel ISEF - AMS Menger Awards (high school)

Siemens Competition (high school)

Moody’s Mega Math Challenge (high school)

Putnam Competition (undergraduate)

American Regions Math League (high school)

High School Mathematical Contest in Modeling (HiMCM)®

Google Science Fair (high school)

High School Mathematical Contest in Modeling (HiMCM) (high school)

AWM Schafer Prize (undergraduate)

AWM-MfA Biographies of Contemporary Women in Mathematics Contest (all levels)

Visit websites of scientific societies to see more competitions and awards for students.

Involve, a journal of Mathematics

Harvard College Mathematics Review

Rose Hulman undergraduate math Journal

SIAM Undergraduate Research Online (SIURO)

Nebraska Conference for Undergraduate Women in Mathematics

Joint Mathematics Meetings undergraduate poster session

Young Mathematicians Conference at OSU

Rose-Hulman Institute of Technology Undergraduate Mathematics Conference

Canadian Undergraduate Mathematics Conference

Journal of Young Investigators

Visit websites of scientific societies to find a list of their publications and upcoming conferences.

Mathematical Moments podcasts and posters

What Can I Do with a Math Degree?," "Powered by Math” and “When Will I Use Math?” posters

Career Cornerstone Center – Math

Bureau of Labor Statistics' Occupational Outlook Handbook (Mathematics section)