The goal is to raise $8,000 and 15,000 pounds of food through this joint effort.
Many of them started on Wednesday, but many Catholic schools have already had their first day.
Catholic schools return to the classroom starting Aug. 16.
Until Freedom, a national social justice group that moved its operations to Louisville in early August, said it wants to send a powerful message Tuesday.
The reopening plan goes against a suggested guideline for schools from Ky. Gov. Andy Beshear.
Paul Colistra brings lifetime commitment to Catholic education to post.
Annrose Jerry, 21, was last seen around 8 p.m. Tuesday at Coleman-Morse Hall on campus, according to a statewide Silver Alert issued Thursday evening.
Before the march, students talked with local community activists about social justice reform.
Louisville has about 700 teachers across 40 Catholic elementary schools.