The document discusses several topics related to language use and education in the Philippines based on questions asked: 1. The Philippine Constitution establishes Filipino as the national language and mandates its development, while also recognizing English and regional languages. It requires the government to promote Filipino in official communication and education. 2. The attached DepEd order implements rules for using English as a medium of instruction per Executive Order 210. 3. One teacher said students' performance in subjects like Araling Panlipunan and Filipino declined due to multidisciplinary integration, but other teachers interviewed did not necessarily agree and emphasized properly aligning integrated concepts to the subject and students' readiness levels. 4. Non-