Apple won a $30-million contract Tuesday from the L.A. Unified School District, paving the way for the company to provide every student with an iPad in the nation’s second-largest school system. The Board of Education voted 6 to 0 on Tuesday to approve the contract after hearing senior staff laud Apple’s product as both the best in quality and the least expensive option that met the district’s specifications. Tuesday’s vote authorized an iPad rollout at 47 campuses. However, by choosing Apple as the sole vendor, the district also made a de facto commitment to spend hundreds of millions of dollars with the Cupertino, Calif.-based digital giant over the next two years. The tablet computer by Apple “received the highest scoring by the students and the teachers,” who took part in testing different devices, said Deputy Supt. Jaime Aquino.