[Mark McLeod]

Here's a list I have, but many of them have already been mentioned and some are now defunct.

248 -- Philadelphia Girls' High School
362 -- The Archer School for Girls
433 -- Mt. St. Joseph Academy
677 -- Columbus School for Girls
692 -- St. Francis High School
697 -- Immaculate High School
709 -- Agnes Irwin School
771 -- St. Mildred's-Lightbourn School
974 -- Marymount High School
1070 -- Louisville High School
1159 -- Ramona Convent Secondary School
1309 -- Emery Collegiate Institute
1547 -- Trafalgar Castle School
1594 -- Brearley School
1624 -- GS Columbia River Council
1700 -- Castilleja School
1868 -- Harbor High School
1929 -- Montclair HS
1965 -- Mount Saint Joseph Academy
1967 -- Notre Dame High School
1975 -- Fontbonne Academy
1988 -- School District of Kettle Moraine
2048 -- Detroit Academy for Young Women High School
2135 -- Presentation High School
2160 -- Indianapolis Area Schools
2177 -- Convent of the Visitation High School
2265 -- The Bronx High School of Science
2340 -- Nazareth Academy High School
2399 -- Hathaway Brown School High School
2437 -- Sacred Hearts Academy
2528 -- Western High School
2624 -- The Bishop Strachan School
2681 -- George Westinghouse High School
2781 -- Queen of Peace High School
2881 -- Girl Scouts Central Texas
3103 -- Duchesne Academy
3182 -- Connecticut Girls of Innovation
3742 -- Towsend Harris Gold Hawks
3204 -- The Mary Louis Academy

Here are some all boy school teams:
254 -- Bellarmine Prep
610 -- Crescent School
1097 -- Jesuit HS
1168 -- Malvern Preparatory School for Boys
1583 -- Ridge View Academy