COLUMBIA — Jeremy Santiago, 12, sits at the desk in his room; the light from the computer screen illuminates his face. He moves the mouse in his right hand, as math equations start to fall down the screen. Jeremy’s mother, Jeanette Santiago, watches her oldest son intently as he fills in answers to the problems.

Santiago home-schools her four children but until relatively recently hadn’t been able to use educational computer games with her curriculum. The Santiagos made trips to the library so the children could use the computers there. “We just couldn’t invest in a computer for the children,” Santiago said.

Click here to read in full