This calculator assumes a 6% annual investment return. A 3%, 2.6%, and 2.3% annual tuition growth, compounded annually for Public two-year school (instate) - commuting, Public four-year school - living on campus, and Private four-year school - living on campus, respectively. Annual contribution will assume the sum of 52 weekly contributions and will be calculated at the start of the year, not the end. Interest calculations will consider the full year of contributions. Total Tuition is the adjusted tuition rate, summed for the total number of years specified by the college type (ex: 4 year public school is $21,370 for 4 years). Public two-year school (instate) - commuting (Cost $3,660 annually), Public four-year school (instate) - living on campus (Cost $21,370 annually), Private four-year school - living on campus (Cost $48,510 annually). The tuition rates for each college type are averages from ©2018 The College Board, "Trends in College Pricing 2018."