Kaiser High students and faculty members were evacuated to the school’s baseball field for more than an hour Monday after a suspicious package was discovered.

Police said the item was discovered at 8:30 a.m. just after school started following end of wintervacation. The all clear was given around 10 a.m.

There are nearly 100 faculty and staff and 1,100 students at the high school, according to the Department of Education.

Police would not describe what was found or its location.

DOE officials asked parents and others to stay away from the Hawaii Kai campus.

According to the school’s website, officials are planning to hold an evacuation drill on Tuesday at 8:15 a.m. As part of this drill, all students and staff will walk from Kaiser High School to Koko Head District Park and back to campus. The entire drill is expected to last no more than one hour.

The drill was planned to help ensure the school is prepared to deal with emergencies while at school, according to Kaiser officials.