The Code of Ethics for Professional Teachers stipulates that educational institutions shall offer quality education for all Filipino citizens. How is quality education defined in R.A. 9155?

A. Relevance and excellence of education are emphasized to meet the needs and aspirations of an individual and society.

B. All school-aged children should be provided free and compulsory education.

C. Children with special needs should be mainstreamed with regular classes in the public schools.

D. Public and private basic education schools should provide relevant education.