Currently, McCullough, who stands 6-foot-9, is hearing from a host of schools that include Florida, Kansas, Syracuse, Connecticut, Miami, Temple, Arizona, St. John's, Memphis, Rutgers and West Virginia.
"It's going good," McCullough said of the recruiting process. "I'm taking it slow."
With the evaluation period just around the corner, McCullough is planning to take that in and then try to narrow things down.
"I'm going to drop it down to a top six next month," he told Scout.com.
How will McCullough get his list down to a half dozen? McCullough said he's looking at three specific things.
"Coaches, relationships and their style of play," McCullough said.
McCullough hasn't taken any recent visits and said that it's too early to start naming a favorite.
"Not at this point," he responded when asked about a favorite.
The standout at Salisbury (Conn.) School is regarded as the No. 3 power forward and the No. 10 overall player in the 2014 class.