Untuk sesi persekolahan 2024/2025, SMK Tinggi Kluang diperkuatkan dengan tenaga pengajar seramai 115 orang, yang dipimpin oleh Pengetua, Puan Hajah Mariam binti Mohd Noor bersama-sama barisan penolong kanan dan ketua jabatan. Seramai 75 orang guru bertugas untuk mengajar di Arus Perdana (Tingkatan Satu hingga Lima), manakala 41 orang guru bertugas untuk mengajar kelas Pra-Universiti.

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For the 2024/2025 school session, SMK Tinggi Kluang was strengthened with 115 teaching staff, led by the Principal, Puan Hajah Mariam binti Mohd Noor, along with senior assistants and department heads. A total of 75 teachers are assigned to teach in Arus Perdana (Forms One to Five), while 41 teachers are assigned to teach Pre-University classes.