BLOOMINGTON (AP) - Minnesota school districts have implemented a variety of new security measures at their buildings in the year since the Sandy Hook Elementary school shootings in Connecticut.

Upgrades include everything from new alarms, door locks and cameras in some schools, to discussions about adding additional police officers and security guards at some sites. Measures vary from district to district depending on the availability of resources.

At schools in Bloomington, locked vestibules will funnel visitors into the main office where they must present an ID to be cross-checked with a national law enforcement database. The district is paying for more than $7 million in security upgrades with a 10-year, $60 million levy voters approved this fall.

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