Nairobi Region Secondary Schools Sports Association chairman Maurice Okumu said Highway, who had lodged an appeal, will now go to the nationals.
In rugby Sevens, Ofafa Jericho High School dethroned national and East Africa champions Upper Hill School 7-5 the final.
Olympic Secondary School won girls' basketball title following a 56-43 victory over Our Lady of Mercy Secondary School.
Champions Buruburu Girls Secondary School were eliminated in the quarter-finals.
Mwiki Secondary School will represent Nairobi region in girls' hockey after they defeated Ngara Girls Secondary School 3-0 in the final.
In volleyball, Ruthimitu Secondary School came from a set down to defeat former champions Hospital Hill 3-1 (24-26,25-18,25-23,25-16) in boys' final.
In Nyanza, the fall of five-time East Africa basketball champions Maseno School at the hands of Onjiko Boys, left many with their mouths agape.
Onjiko continued with their dominance after slaying defending champions Agoro Sare to be crowned new Nyanza basketball kings.
Kobala Mixed Secondary School, who saw off national champions Nyakach Girls, will be up against the big girls Wiyeta Girls Secondary School and St John's Girls Secondary School, Kaloleni from Coast Region.
In Rift Valley, giant-slayers Kabarnet Boys High School, who stunned national boys' football champions St Anthony's Kitale 7-6 on post-match penalties, will be under the microscope after their stellar performance in the regionals.
Their limits will, however, be measured when they face off with favourites Kisumu Day Secondary School (Nyanza), Serani Secondary School (Coast) and Olbolosat Secondary School (Central) in Nakuru.
Another new face in Nakuru will be Dr Aggrey in boys' basketball.