Yes, because it is a unisex sport in most of the world, although teams are often sex-segregated above primary/elementary school level (i.e. there are separate male and female teams). The U.S.A. is the only country to restrict Field Hockey to a female-only sport.
In the States, there are four levels of acceptance for boys:
The Colorado High School Activities Association features the following sports: Baseball, Basketball(boys and girls), Cross Country, Field Hockey, Golf, Football, Soccer(boys and girls), Lacrosse(boys and girls), Tennis(boys and girls), Track, Softball, Volleyball, Wrestling, Swimming(boys and girls)
High school hockey is a sport, not a club.
Mount Saint Charles Academy in Woonsocket, Rhode Island has won 26 High School State Championships in a row for boys ice hockey (1978–2003).
In the United States, the answer is yes. High school girls have played sports like field hockey, gymnastics, softball, and basketball.
There is no such thing as a lefty stick. In fact lucky for you if you're a lefty playing field hockey because your power hand gets all the power
Field Hockey, at the higher levels is normally played on a turf field. High schools normally will play on grass.
That's one that requires research! A strong candidate is Mount Saint Charles Academy Boys Hockey in the Div I for Rhode Island High School ice hockey. Take a look here: http://www.rihssports.com/
She used to be involved in competative figure skating and played on the CECI field hockey team in high school.
Southland Boys' High School's motto is 'Not for school but for life we are learning'.
Southend High School for Boys was created in 1895.
Epping Boys High School was created in 1957.
Chichester High School For Boys was created in 1971.