The schools affected are South Valley Middle School and South Valley Junior High.
According to a school district representative, students picking up sticks on the south side of the campus found the devices. One device was described as being pipe-shaped and the other egg-shaped, according to district officials.
Police are at the scene investigating.
School officials said the schools are not on lockdown, but on Phase 2 Security, which means that students cannot leave the buildings.
Since school is about to be released, school officials said parents can pick up their children from the Stewart Road/Midjay Drive side of the campus.