Task: Question Generation
Input (English): The Christian Brothers of Ireland Stella Maris College is a private, co-educational, not-for-profit Catholic school located in the wealthy residential southeastern neighbourhood of Carrasco. Established in 1955, it is regarded as one of the best high schools in the country, blending a rigorous curriculum with strong extracurricular activities. The school's headmaster, history professor Juan Pedro Toni, is a member of the Stella Maris Board of Governors and the school is a member of the International Baccalaureate Organization (IBO). Its long list of distinguished former pupils includes economists, engineers, architects, lawyers, politicians and even F1 champions. The school has also played an important part in the development of rugby union in Uruguay, with the creation of Old Christians Club, the school's alumni club.
Output (English): When was the Christian Brothers of Ireland Stella Maris College established?