Andrew and Maria Hicks were back home a day after they and their teenage son were arrested.
Sacramento police said the boy brought a loaded handgun to Natomas High School on Tuesday, where he's a freshman.
FOX40 spoke with the teen's father, Andrew Hicks, who was arrested for weapons charges and child endangerment.
Although he said they want to talk, they hired an attorney who advised them not to.
But he wanted the public to know: "We are good people."
And he said that their driver's license pictures released by police are misleading, saying the pictures "make it look like we're just smiling. This is a serious matter. It has ruined our lives," he said.
Sacramento police say the teen boy, who was despondent, took the firearm out of his backpack and loaded it inside the classroom. Students were able to get out without any injuries. A female teacher convinced the boy to surrender the weapon.
Following the teen's arrest, investigators went to his home to ensure everyone was accounted for and no one was hurt. Detectives served a search warrant and discovered additional weapons.
"We located some illegal firearms, assault weapons inside the house," Sacramento police Sgt. Bryce Heinlein said.
Two long-barreled rifles were found in the home.
Heinlein said the handgun the teen brought to school is legally registered under Andrew Hicks' name. But because the son had access to it, and potentially the other illegal weapons as well, the couple also faces child endangerment charges.
"That's based on the firearm being accessible to a child within the house where the child had access to that weapon and was able to take it to school," Heinlein said.
"The student who was involved in this is in custody. And even during the incident, specifically expressed that he did not intend to harm anyone," the school's Communication Manager Jim Sanders said.
Heinlein said the Sacramento County District Attorney's Office will decide if charges filed against the teen will stand.