Claiming progress in his campaign to get American schools wired for the future, President Barack Obama is announcing commitments from U.S. companies totaling about $750 million to connect more students to high-speed Internet.

Apple is pledging $100 million in iPads, computers and other tools. AT&T and Sprint are contributing free Internet service through their wireless networks. Verizon is pitching in up to $100 million in cash and in-kind contributions. And Microsoft is making Windows available at discounted prices and offering 12 million free copies of Microsoft Office software.