Lehigh Valley Dual Language Charter School 520 Buchanan St, Bethlehem, PA18015 The Lehigh Valley Dual Language Charter School opened its doors for the first time this fall in the former Ss. Cyril and…More Methodius Catholic School. It boasts a unique program that requires all students to learn all subjects in both English and Spanish. Pupils are attending a longer than normal school day, as well as a longer school year. Parents are also required to participate in some programming.