Saturday, Feb. 25 is a night of jazz at Unionville High School.  The 19th annual “Jazz Along the Brandywine” features 14 regional high school jazz bands performing a variety of styles from soul to swing to samba and runs from 6 to 11 p.m. Tickets for Jazz Along the Brandywine are $8 for adults; $6 for students and seniors. For more information, go to http://cavalcadeofbands.com/jazz/