def cols_change_list() -> list:
    """ Returns the list of columns that need to be processed."""
    cols_s1_change = ['12th_grade', '11th_grade', '10th_grade',
                      'Indicador de Sucesso', 'pct_stud_in_need_12th_grade',
                      'pct_profs_on_the_board', 'average_moms', 'average_dads', 'Média']
    return cols_s1_change