Tuition waivers mean that someone does not have to pay for their education. It is a benefit or scholarship that covers the cost of schooling. Full definition
The proposal would treat tuition waivers for graduate students who work as research or teaching assistants as taxable income. (auburnpub.com)
In addition, I became heavily involved in the campaign to defeat the 1997 tax bill that would have taxed graduate student tuition waivers. (sciencemag.org)
However, in the wake of graduate student protests, 31 Republican lawmakers sent a letter to party leaders asking them to leave tuition waivers alone. (studentloanhero.com)