Several other schools around El Camino High School in Woodland Hills are on lockdown as police search for a gunman who shot a school district police officer.

In addition to the high school, Welby Way Elementary School, Woodlake Elementary School and Hale Middle School are all locked down, said Gayle Pollard-Terry, a spokeswoman for the Los Angeles Unified School District.

[Updated at 1:22 p.m.:Miguel Leonis Continuation School also was on lockdown.]

[Updated at 1:37 p.m.:Other schools on lockdown are Calabash Elementary School, Pomelo Elementary School, Lockhurst Elementary School and Haynes Elementary School, district officials said.]

[Updated at 2:38 p.m.:Two schools, Calabash and Pomelo, will lift their lockdowns and dismiss students at the normal time. The other seven schools will remain on lockdown for a while, a district official said.]

A lockdown typically means students and staff members are not allowed to leave or enter the campus.

In addition, the Valley Circle Boulevard offramp from the westbound 101 Freeway is closed, said CHP Sgt. Denise Joslin.

An LAUSD police officer was shot in the chest at 11:45 a.m. just outside El Camino Real High School by an assailant who fled the scene. The officer is being treated at Northridge Hospital Medical Center.

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-- Jason Song

Photo: A Los Angeles school police officer mans a roadblock at Fallbrook Avenue and Oxnard Street near El Camino Real High School in Woodland Hills on Wednesday afternoon after the shooting of a fellow officer earlier in the day. Credit: Brian van der Brug / Los Angeles Times