http://www.nbcsandiego.com/news/2583099/detail.html?dl=headlineclick

• Alliant International University in Scripps Ranch
• Alpine Union School District
• Barona Indian Charter School
• Bear Valley Middle School in Escondido
• Cal State San Marcos
• Calvery Christian Academy in Chula Vista
• Center for Children and Family at Cal State San Marcos
• Center for Creative Arts
• Chabad Hebrew Academy in Scripps Ranch
• Cornerstone Christian School in Poway
• CRC Preschool in Escondido
• Dehesa Elementary School District
• Dehesa School District
• Escondido School District
• Escondido Union High School District
• Grace Lutheran in Escondido
• Grossmont Union High School District
• Helix Charter High School
• Institute of Arts and Letters in Rancho Bernardo
• Islamic School of San Diego
• Jamual-Dulzura School District
• Julian School District
• Kids Care Club & Child Development Center in Rancho Bernardo
• Kids Care Club & Child Development Center in Rancho Peñasquitos
• L.R. Green Elementary School in Escondido
• Maranatha Christian Schools in Rancho Bernardo
• Newbridge School in Poway
• Poway Unified School District
• Ramona Unified School District
• San Diego Christian Learning Center in National City
• San Diego Jewish Academy
• San Marcos Unified School District
• San Pasqual High School
• San Pasqual Union School District
• Sante Fe Christian School
• Scripps Montessori
• Steele Canyon High School
• St. Michael's in Poway
• St. Pius X in Chula Vista

Also, Del Mar Unified is closed. 

http://www.dmusd.org/district/default.aspx