ANDOVER The Ballet Barre Performing Arts School in Andover invites students to participate in its Master Class series. The school offers intermediate and advanced classes to students age nine and up. Each 90-minute class provides experience working with professional performers and choreographers of various dance genres. The 2011-12 series opens Saturday, Aug. 27, with Pennsylvania Ballet member Caralin Curcio. A native of Sparta, Curcio began her training at the Ballet Barre. As a member of the Pennsylvania Ballet, she has performed in company productions and world premiere performances. Master Class with Caralin Curcio, Saturday, Aug. 27 Advanced Ballet 10 a.m.-11:30 a.m. Intermediate Ballet 11:45 a.m.-1:15 p.m. Register by calling the Ballet Barre at 973-579-2173. The fee is $30 per class, payable to the Ballet Barre. To learn more about the Ballet Barre and to stay updated on the Master Class series schedule and other events, visit www.theballetbarre.net.