Explore Horizons will close six Dallas-Fort Worth locations Aug. 30, including a northeast Fort Worth location at 3062 Texas Sage Trail. Other Explore Horizons locations include Addison, Frisco, Garland, McKinney and Plano. The tutoring center offers classes with a curriculum that includes math, reading, writing, study skills and State of Texas Assessments of Academic Readiness preparation. www.explore-horizons.com