It’s one of the universals of organizing — first you make a list.

Elementary teacher Alix Gonzalez Guevara remembers staying up late transferring data about each school from a district-published book into an Excel spreadsheet: region, address, how many teachers, how many students.

This became a Google document, an online spreadsheet available to everyone working on the campaign. The schools were grouped by regions. Within each, a couple of lead activists took responsibility to find people to do outreach at each school.