The Week Ahead: 5 Things to Know

1. TEDxLMSD, which will feature a number of speakers to discuss activism, will be hosted from 9 a.m. to 1 p.m. Monday in Lower Merion High School's black box theater. Among the speakers is student  Check back for coverage from Patch.

2. Harriton High School students graduate on Thursday. Commencement services will be held at 7 p.m. Thursday at St. Joseph's University. Check back Friday for Patch coverage.

3. The continues this week with "XPN presents Dar Williams" at 7 p.m. Saturday at the Bryn Mawr Gazebo, 9 S. Bryn Mawr Ave. This week, there will also be a 7 p.m. Sunday performance from the Main Line School of Rock. Donation is $10 per person; children 16 and younger are free. Check out photos from one of last year's .

4. 's , which is co-sponsored by , begins at 8:30 a.m. Sunday. The free event invites all levels of birders to search for resident nesting birds, since migration is over.

5. The "" starts at 9 a.m. Sunday. Proceeds benefit the Education Foundation of Lower Merion. Check out photos from last year's .