During his senior season, Paraclete finished with a perfect 12–0 record and secured its fourth consecutive CIF Division XII championship.
[1] He later said he believed his experience at a private high school prepared him for the culture shock of the overwhelmingly Latter-day Saint, predominately white campus at Brigham Young, but was surprised at the difficulty of the adjustment.
His mother, who like the rest of his family is not a Latter-day Saint, expressed happiness for Brown's decision and appreciation for the support of the BYU community.
[4] Brown played alongside running back Fahu Tahi, whom he nicknamed "Pops" for his extended tenure with the Cougars.
The performance helped the Cougars recover from a deficit to win, 35–34, and earned him honors as the Mountain West Conference Offensive Player of the Week.
[8] The Salt Lake City Tribune noted that he refused to criticize the playcalling of head coach Gary Crowton and instead replied, "I just do my thing.
"[8] Against San Diego State, Brown recorded 106 rushing yards on 16 carries, which made him the first BYU player since 2001 to post four consecutive 100-yard performances.
[10] Brown pushed his college career mark past 1,000 rushing yards in the game against New Mexico, which made him only the fourth BYU player to surpass that number as a sophomore.