"After looking at all my other options and taking my visits there, I just thought it was the best place for me," Kingma told Scout.com.
According to the 6-foot guard, who ran with Friends of Hoop this summer, he had his choices down to two.
"I wasn't really leaning towards either one, but I woke Friday just had thought about it all day yesterday and just decided that Oregon was the best place for me this time in my life," Kingma said.
Kingma, a standout at Mill Creek (Wash.) Henry Jackson, said he developed strong relationships with Altman and his assistant coach Brian Fish.
"I just like the fact that coach Altman has a track record," he said. "He's not a first year head coach. He's been around and that helps a lot. Coach Fish, I developed a very strong conference with him."
"It's a conference that I grew up watching," he added. "I love Luke Ridnour, who went to Oregon and I grew up idolizing him and his success at Oregon. I'm going to try and do the best I can to have success like that."
To go with Barron, Kingma also joins 6-foot-9 big man Austin Kuemper to make up their three-man recruiting class.