Advances in technology are keeping Gainesville and Hall County school districts feverishly trying to keep pace. It’s not cheap, but school leaders agree that investing in technology is vital to help students succeed when they pursue higher education, enter the workforce or start a business. Aaron Turpin, Hall school district assistant superintendent of technology, said his department is beginning the third and final phase of a project that is bringing wireless, interactive projectors with audio to every classroom in Hall County.