The Bolinas-Stinson Union School District is gauging community interest in the possibility of a bond measure on next fall’s ballot aimed at improving school facilities. The district sent out a four-question survey last month that invites participants to prioritize a list of facilities for improvements and provide more specific information in a blank space. The last proposed bond measure, from 2014, failed to meet the necessary 55 percent support, with 49.72 percent in favor, perhaps…