Pada tahun 2024, seramai 164 orang pelajar mendaftar masuk ke Tingkatan Empat di SMK Tinggi Kluang dan pelajar telah ditempatkan ke 7 kelas yang berbeza. Terdapat 2 kelas aliran Sains Tulen, iaitu ST1 (28 orang) dan ST2 (24 orang), 1 kelas aliran PA (23 orang), 1 kelas aliran PS (25 orang), 1 kelas aliran RSK (24 orang), 1 kelas aliran SK (23 orang) & 1 kelas aliran KAA (17 orang).

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In 2024, a total of 164 students enrolled in Form Four at SMK Tinggi Kluang and students were placed in 7 different classes. There are 2 Pure Science stream classes, namely ST1 (28 people) and ST2 (24 people), 1 PA stream class (23 people), 1 PS stream class (25 people), 1 RSK stream class (24 people), 1 stream class SK (23 people) & 1 KAA stream class (17 people).