 The i3 grant to NISL, with backing from the Wallace Foundation, now supports principals in 88 districts that serve nearly 1.7 million students, many from economically disadvantaged backgrounds.Training began in September 2015 and will provide rigorous and comprehensive leadership support to 750 principals throughout the duration of the grant.In doing so, the NISL initiative will directly impact the learning of 375,000 students, roughly equaling the total students to be served by all other 2014 i3 grants combined.