Signs are posted warning of 24 hour video surveillance at Pleasant Valley High School in Chico, Calif. Thurs. April 12, 2018. (Bill Husa -- Enterprise-Record)
Prinicipal John Shepherd shows a code red sheet which is in every classroom and designates specific actions for different threat levels at Pleasant Valley High School in Chico, Calif. Thurs. April 12, 2018. (Bill Husa -- Enterprise-Record)
Principal John Shepherd shows one of the lock blok's that are implemented should a lockdown occur at Pleasant Valley High School in Chico, Calif. Thurs. April 12, 2018. (Bill Husa -- Enterprise-Record)
Security cameras are found recording activities throughout the campus at Pleasant Valley High School in Chico, Calif. Thurs. April 12, 2018. (Bill Husa -- Enterprise-Record)
Campus Supervisor Ray Horn uses a golf cart to quickly get around campus as needed at Pleasant Valley High School in Chico, Calif. Thurs. April 12, 2018. (Bill Husa -- Enterprise-Record)
All visitors are required to sign in at the main office upon arrival at Pleasant Valley High School in Chico, Calif. Thurs. April 12, 2018. (Bill Husa -- Enterprise-Record)
Campus Supervisor Scott Givens smiles near a locked gate by the Main Office at Pleasant Valley High School in Chico, Calif. Thurs. April 12, 2018. (Bill Husa -- Enterprise-Record)
Gates with locks and chains are also found at specific areas of campus for extra security at Pleasant Valley High School in Chico, Calif. Thurs. April 12, 2018. (Bill Husa -- Enterprise-Record)
Metal bollards block a section near a parking lot along Marigold Ave. at Pleasant Valley High School in Chico, Calif. Thurs. April 12, 2018. (Bill Husa -- Enterprise-Record)
Prinicipal John Shepherd can monitor several cameras that record activiy around campus at Pleasant Valley High School in Chico, Calif. Thurs. April 12, 2018. (Bill Husa -- Enterprise-Record)
Campus Supervisors Ray Horn, sitting and Scott Givens smile at the front office at Pleasant Valley High School in Chico, Calif. Thurs. April 12, 2018. (Bill Husa -- Enterprise-Record)
A student walks through campuse at Pleasant Valley High School in Chico, Calif. Thurs. April 12, 2018. (Bill Husa -- Enterprise-Record)
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