"LSU, OU (Oklahoma) and Texas A&M," Johnson told Tiger Rag.
While Johnson is keeping a close eye on all three of his favorites, he said he is not anywhere close to making a final decision.
"I'm just a fan of those schools," he said. "I've been keeping up with them ever since I've been playing football. I just have to check out those campuses again before I make a decision."
Known as a great pass blocker, Johnson attributes his success on the gridiron to hard work and dedication on and off the field.
"I work hard in the weight room and in the classroom," he said. "I've heard from a lot of people that my footwork and my strength are real good."
Johnson was born in West Monroe, La., and spent a good part of his childhood in Olla, located in rural, north-central Louisiana. Even though he grew up only 2 1/2 hours from Baton Rouge, Johnson said he has never witnessed a game at LSU.
"I've always wanted to go to one," he said. "I've seen them on TV. I've seen the crowd and stuff, and it looks pretty good."
While most college prospects spend their summer camps sharpening their skills, Johnson has been focusing on his job and his schoolwork. That, however, does not mean he won't try to squeeze in a little trip to one of his favorites.
"I'd like to go to one of LSU's camps or an OU camp," said Johnson, who has the core grade point average but needs to pick up his SAT score a little to be a full academic qualifier. "It just depends on if I have the time because I'm real busy with school and work."
Texas OL focuses on three school
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