Since 1898, the Gads Hill Center in the Lower West Side community has helped low-income, immigrant and other families build better lives.With early childhood education centers, after-school and in-home educational programs for children, mentoring for middle schoolers, STEM after-school programs for high schoolers and education, job and health-related help for adults, the nonprofit organization based at 1919 W. Cullerton St. serves more than 4,000 children and their families in Chicago’s West and Southwest Sides.Now …