Whitman College has unveiled its 10% Promise, a guarantee that students will never pay more than 10% of their family’s adjusted gross income for annual tuition.

Whitman College has unveiled its 10% Promise, a guarantee that students will never pay more than 10% of their family’s adjusted gross income for annual tuition.

Whitman College in Walla Walla, Wash., announced Saturday that students will not pay more than 10 percent of their family’s annual income in tuition.