ROCKFORD, Ill. (WTVO) — Three teens are in custody after police say a gun was fired at East High School on Thursday morning.

Rockford Police said around 11:05 a.m. the school’s resource officer received a tip that a gun was brought into the school. Officers arrived and recovered the weapon, and learned that the gun had been fired after finding a spent casing in a hallway ceiling.

A 15-year-old boy was charged with Aggravated Unlawful Use of a Weapon and Aggravated Discharge.

A 15-year-old girl was charged with Aggravated Unlawful Use of a Weapon.

A 14-year-old boy was charged with Aggravated Unlawful Use of a Weapon.

Students were dismissed early as scheduled, due to final exams.

Principal Jim Parker sent the following letter to parents, saying:

“I know this information is alarming. There is nothing more important to me than the safety of our students and staff. I am sharing this directly with East families and staff because I want you to know two things:

  • Administrators heard about a rumor of a weapon, took it seriously and acted immediately with Rockford Police. I am proud of our staff and resource officer for ensuring everyone’s safety is our top priority.  
  • What happened this morning is not acceptable at East High School. This behavior is not aligned with East’s reputation, and it is not what our students or staff deserve. East High School has a rich history and bright future. I truly believe that, and so do our leadership team and staff.

“Students: You deserve to both feel safe here at East and be safe. If you see a threat or hear a rumor, tell us. Report the information to a school administrator or Rockford Police, whether you believe it is credible or not.  

“Families: Please talk with your students. Weapons have no place in our school, and this behavior will not be tolerated.

“Classes will resume on Friday with an increased police presence as a precaution.”