Police Chief Joe Treviño said detectives have already made two arrests in connection with the incident.
Each of the suspects, 19-year-old Jonathan Cadena and 17-year-old Eric Hernandez, have been charged with felony criminal mischief, causing damage of more than $20,000, and burglary of a building.
Treviño said Detective Sgt. Art Gamez, the lead investigator in the case, has the names of two other suspects but he had not yet obtained arrest warrants for the men.
Security cameras inside the middle school captured the images of four men wearing hoodies to hide their faces during the burglary.
Police believe the four men broke an outside window in a classroom to gain entry into the building and then made their way through the main offices of the campus before entering several classrooms in the 300 and 400 wings of the building.
Windows were broken out of the classroom doors to gain access to the classrooms.
A number of computers and other items were reported stolen, and significant damage also was discovered by teachers and staff members when the school opened on the morning of Dec. 11.
Gary Kent is a reporter at the Bee-Picayune and can be reached at 358-2550, ext. 120, or at reporter@mySouTex.com.