From the Austin Business Journal:

Dell Inc., the State Educational Technology Directors Association and cable industry education foundation Cable in the Classroom are donating mobile computer labs to students from 15 hurricane-ravaged school districts in Louisiana, Mississippi and Texas.

[..]

Intel, Microsoft, Adobe, Datamation Systems, Time Warner Cable, Cox Communications and Cable One also contributed to the donations.

The article says the mobile workstations were designed with input from teachers, and can be put to use immediately even by schools significantly damaged by the storms.