Teachers Kensell Batty and Lakisha Harris, far left, dance with students during a party to celebrate improvements in Case 21 testing scores at Vicksburg Junior High School. Left, Trevor Talbot, 13, son of Angela and Cary Talbot; Donald Lawrence, 15, son of Chantay Lawrence; and Mary Jackson, 15, daughter of Christina Jackson, pick up cookies and juice from English teacher Monica Davis. Principal Michael Winters said 468 students showed improvement since the previous round of Case 21 assessments.