National Retail Federation's annual "Back-to-College Survey according to the National Retail Federation a statement Back to College Spending for 2014 Back-to-School Survey according to the National Retail Federation a statement many are National Retail Federation's annual "Back-to-College Survey survey a statement money many are Back-to-School Survey National Retail Federation's annual "Back-to-College Survey predicts over $350 many are National Retail Federation predicts spend $913 million National Retail Federation’s 2014 Back-to-School Survey according to the National Retail Federation according to the National Retail Federation average of $670 survey many are according to the National Retail Federation a statement average of $670 The NRF also states National Retail Federation shopping for a high school student spent $682.99 estimated to reach $74.9 billion this year according to the National Retail Federation National Retail Federation average of $670 NRF National Retail Federation's annual "Back-to-College Survey NRF NRF survey by the National Retail Federation according to the National Retail Federation a statement average of $670 National Retail Federation projects survey a statement National Retail Federation 2014 Back-to-School National Retail Federation Survey NRF average of $670 according to the National Retail Federation The National Retail Federation estimates according to the National Retail Federation retail federation report National Retail Federation's annual "Back-to-College Survey average of $670 National Retail Federation's annual "Back-to-College Survey 2014 Back-to-School survey National Retail Federation's annual "Back-to-College Survey a statement average of $670 National Retail Federation's annual "Back-to-College Survey 2014 Back-to-School Survey 2014 National Retail Federation survey a statement average of $670 back-to-school spending according to the National Retail Federation National Retail Federation recent survey by the National Retail Federation