Two students were hospitalized as northwest Harris County experienced a gas leak, officials said.
Students and staff were able to go back into the building after CenterPoint Energy determined there was no gas leak and deemed the building safe.
Prosecutors say 17-year-old former Langham Creek High School student Jordan McGee is suspected in a separate homicide case.
Students and staff at College Park Elementary School are being relocated to another school after two staff members suddenly fell ill.
Police say the person responsible for sending threatening emails to teachers and principals in Pennsylvania school district is a 10-year-old.
Neff Early Learning Center has been evacuated for a possible bomb threat, according to police.