In 1992 the school had plans for a new campus for all grades K-12 and the administration in an area in Potomac, Maryland, and that year it acquired land there.

Liz Spayd of the Washington Post wrote "The community's opposition has been interpreted by some to be a thinly veiled attempt to keep foreigners out of Potomac".

[5] To receive the high school diploma accredited by the State of Maryland, Rochambeau students must complete a minimum of 21 Carnegie units.

More than ninety-five percent (95%) of students at Rochambeau, however, choose to stay for the Terminale year in order to sit for the Baccalauréat examinations.

Theater, Cinema, Art and Music may be chosen separately as optional classes during the first year of High School.

During the final three years of secondary education, Rochambeau students often carry a course load of 37 to 40 hours per week, with a corresponding amount of homework.

Given the long school day and heavy academic load, students have little time to pursue extracurricular activities.

During the last two years of French secondary education (Première and Terminale), students choose concentrations in one of the following specialized academic tracks (Séries du Baccalauréat): In addition to their concentration courses, all Rochambeau students are required to enroll in English, a second modern foreign language in addition to English (Spanish, German, Italian, Arabic, etc.

The concept, curriculum, and evaluation standards of the OIB American Option have been developed by the French Ministry of Education and the Advanced Placement Division of the College Board.