Yes there are many all boys schools in US. Such as Archbishop Riordan High School, Army and Navy Academy, Avon Old Farms School, Blue Ridge School, Bridgton Academy, Camden Military Academy, Cardigan Mountain School, Carson Long Military Academy, CFS, The School at Church Farm, Chamberlain-Hunt Academy, Eagle brook School, Marine Military Academy etc.
Southland Boys' High School's motto is 'Not for school but for life we are learning'.
Jeppe High School for Boys was created in 1890.
Potchefstroom High School for Boys was created in 1905.
Napier Boys' High School was created in 1872.
Kelston Boys' High School was created in 1963.
Canterbury Boys' High School was created in 1918.
Randwick Boys High School was created in 1883.
Hastings Boys' High School was created in 1909.
Nabapally Boys' High School was created in 1846.
Baldwin Boys High School was created in 1880.
Rondebosch Boys' High School was created in 1897.
Siddheswari Boys' High School was created in 1933.