The airplane was substantially damaged following a loss of control during landing at about 1030 Central time. The Student pilot, sole occupant of the airplane, was not injured. Visual conditions prevailed for the solo cross-country flight. Subsequently, the 71-hour Student pilot reported that the airplane bounced on landing and she lost control. She tried to regain control of the airplane but the airplane departed the right side of the runway. The pilot reported the brakes were ineffective in the knee-high grass and the airplane impacted a tree.