PLANO, Texas (CBSDFW.COM) – Plano ISD is making security changes at all of its middle schools and high schools.

It starts with random metal detector screenings.

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The district informed parents this week.

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Plano ISD said it’s also upgrading security cameras, fire alarms, public address systems at senior high schools and automated door locks.

In addition, there’s now a requirement for all students in grades 9 through 12 to wear ID badges. The district purchased commercial ID badge printers for high schools and senior highs.

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Each senior high also has marked patrol vehicles and two new staff positions serving as safety monitors.