FARRAH MAFFAI The American Repertory Ballet’s Kristen Scott performs in the auditorium of East Brunswick High School Tuesday morning as part of the company’s residency program for the district’s fifth-grade classes. All fifth-graders attended Tuesday’s performance of Lambarena.FARRAH MAFFAI The American Repertory Ballet’s Kristen Scott performs in the auditorium of East Brunswick High School Tuesday morning as part of the company’s residency program for the district’s fifth-grade classes. All fifth-graders attended Tuesday’s performance of Lambarena.