Though all Baltimore region school systems will be open Wednesday, dozens of schools will remain closed because of power outages.

Baltimore City, Baltimore County and Harford County schools will open Wednesday after delaying the first day because of Hurricane Irene. Anne Arundel, which began school last week, will also resume classes.

In Baltimore City, 20 schools will remain closed. They are:

Baltimore Civitas Middle/High

Bay-Brook Elementary-Middle

Bluford Drew Jemison STEM Academy West

Calvin M. Rodwell Elementary

Dickey Hill Elementary/Middle

Dr. Martin Luther King Jr. Elementary/Middle

Edgewood Elementary

George Washington Elementary

Guilford Elementary/Middle

KIPP Ujima Village Academy Elementary/Middle

•Lakeland Elementary/Middle

Lockerman Bundy Elementary

Mary Ann Winterling Elementary at Bentalou

Mary E. Rodman Elementary

Md. Academy of Technology and Health Sciences

North Bend Elementary/Middle

Rognel Heights Elementary/Middle