top users for each year group are:
Year 1: Zyra D, Evie P, Emily C-M
Year 2: Giulia M, Cara M-W, Arabella G
Year 3: Gabby U, Arnold A, Daniel P
Year 4: Qais S, Sunainah T, Jenna M-W
Year 5: Megan YTL, Alyssa H, Seerat M
Year 6: Inayah S, Ruby H, Charlie H