Final answer:
Bilingual Dual Language Programs assist students to fully reach their English only peers in both L1 and L2 in all subjects and maintain high achievement through the end of schooling while having fewest dropouts.
Step-by-step explanation:
The program that assists students to fully reach their English only peers in both L1 and L2 in all subjects and maintain high achievement through the end of schooling while having the fewest dropouts is A) Bilingual Dual Language Programs.
These programs provide instruction in both English and the student's native language, helping them to develop proficiency in both languages and succeed academically. Research has shown that students taught in both their native tongue and English make better progress than those taught only in English, emphasizing the effectiveness of bilingual dual language programs.