THE PROMYS MISSION IS TO SUPPORT DEEP EXPLORATORY MATHEMATICAL LEARNING FOR CURIOUS AND MOTIVATED HIGH SCHOOL STUDENTS AND SECONDARY TEACHERS. IT IS A CORE PROMYS PRINCIPLE THAT FINANCIAL NEED SHOULD NOT BE A BARRIER TO ANYONE SEEKING MATHEMATICAL CHALLENGE. PROMYS PROGRAMS EITHER OFFER NEED-BASED FINANCIAL AID UP TO THE FULL COST OF PARTICIPATION OR ARE FREE FOR ALL PARTICIPANTS.