Other results saw St Charles Lwanga edge out St Joseph Kibwezi 2-0.
In the men's category, Nairobi School defeated Meru School 2-1.
At the same time, newbies Our Lady of Mercy Ringa Boys High School from Homa Bay County debuted with a 1-1 draw against St Charles Lwanga. The Nyanza Region champions are playing at the national finals for the first time in history.
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Rift Valley champions St Joseph Girls Kitale on the other hand saw off Mpesa Academy 2-0.
In handball, Kwanthanze saw off Moi Forces 15-6 as Kamusinga thrashed Dagoretti Mixed 25-12. In boy's category, Kimilili defeated Handege 29-24 as defending champions Hospital Hill ran over Sabunley 38-9.
Meanwhile, defending rugby 15s champions Butula Boys were held to a 0-0 draw by Nyanza champions Kisii School as All Saints Embu saw off St Patrick's Iten.
Brookside KSSSA national Term One games results
Hockey
Nyamira Girls 4-0 Pangani Girls
Tigoi Girls 2-0 Nyayo Girls
Nairobi School 2-1 Meru school
St. Joseph's Kibwezi 0-2 St. Charles Lwanga Girls
St. Charles Lwanga boys 1-1 Ringa Boys
Murang'a -1 Katangi
St. Joseph's Kitale 2-0 Mpesa Academy
Handball
Moi forces 06-15 Kwathanze
Kamusinga 25-12 Dagoreti
Handege 24-29 Kimilili
Sabunley 9-38 Hospital Hill