FOLSOM, Calif.–(BUSINESS WIRE)–PowerSchool (NYSE: PWSC), provider of cloud-based software for K-12 education in more than 90 countries, today announced REX Learning has expanded its use of PowerSchool Unified Classroom® Schoology Learning to support over 9,000 additional students within the REX Learning network of schools across the Philippines. As a result, over 170,000 REX students now have access to the learning management system across 330 REX-affiliated schools. Schoology Learning has he