paragraph_text: Talwrn is a small village on the Isle of Anglesey, an island off the coast of north Wales. Talwrn is most notable for the Grade II-listed 16th-century manor house of Plas Llanddyfnan, which lies just to the north of the hamlet. Plas Llanddyfnan is a Queen Anne manor house from the early 18th century. Plas Llanddyfnan was owned by seven generations of the Griffiths family.

paragraph_text: The Republic of Užice ( / ) was a short-lived liberated Yugoslav territory and the first liberated territory in World War II Europe, organized as a military mini-state that existed in the autumn of 1941 in occupied Yugoslavia, more specifically the western part of the Territory of the Military Commander in Serbia. The Republic was established by the Partisan resistance movement and its administrative center was in the town of Užice.

paragraph_text: Lutsel K'e Dene School is a K-12 public school located in Lutselk'e, Northwest Territories, Canada. The school currently represents the only public education option for youth in the settlement and serves a student population of approximately 73 students. The administration of the school is the responsibility of the South Slave Divisional Education Council (SSDEC).

paragraph_text: Glenn Hills Comprehensive High School is a public high school located in the South Augusta area of Augusta, Georgia, United States. It opened in 1967.

paragraph_text: The first comprehensives were set up after the Second World War. In 1946, for example, Walworth School was one of five 'experimental' comprehensive schools set up by the London County Council Another early comprehensive school was Holyhead County School in Anglesey in 1949. Other early examples of comprehensive schools included Woodlands Boys School in Coventry (opened in 1954) and Tividale Comprehensive School in Tipton.

paragraph_text: The Atlantic County Vocational School District is a comprehensive vocational public school district serving the vocational and training needs of high school students in ninth through twelfth grades and adults from Atlantic County, New Jersey, United States. Both of the district's schools are located in the Mays Landing section of Hamilton Township.

paragraph_text: In 1949, the Territory and the Territory of New Guinea were established in an administrative union by the name of the Territory of Papua and New Guinea. That administrative union was renamed as Papua New Guinea in 1971. Notwithstanding that it was part of an administrative union, the Territory of Papua at all times retained a distinct legal status and identity; it was a Possession of the Crown whereas the Territory of New Guinea was initially a League of Nations mandate territory and subsequently a United Nations trust territory. This important legal and political distinction remained until the advent of the Independent State of Papua New Guinea in 1975.

paragraph_text: Belton-Honea Path High School (BHP) is a comprehensive, co-educational, public secondary school located in Honea Path, South Carolina, United States. It is the only public high school serving Honea Path and Belton. The school is accredited by the South Carolina Department of Education and the Southern Association of Colleges and Schools.

paragraph_text: Deer High School (DHS) is an accredited comprehensive public high school located in Deer, Arkansas, United States. DHS provides secondary education for approximately 95 students in grades 7 through 12. It is one of four public high schools in Newton County and one of two high schools administered by the Deer/Mount Judea School District.

paragraph_text: Santa Maria High School (SMHS) is a public comprehensive high school in Santa Maria, California, United States. Located in the heart of the city, Santa Maria High School is the oldest school in the Santa Maria Valley and is part of the oldest high school district in California. The Santa Maria Joint Union High School District was founded on June 6, 1893.

paragraph_text: According to a study done by Helmut Fend (who had always been a fierce proponent of comprehensive schools) revealed that comprehensive schools do not help working class students. He compared alumni of the tripartite system to alumni of comprehensive schools. While working class alumni of comprehensive schools were awarded better school diplomas at age 35, they held similar occupational positions as working class alumni of the tripartite system and were as unlikely to graduate from college.

paragraph_text: Galston High School is a government-funded co-educational comprehensive secondary day school, located in Galston, a suburb in the Hills District of Sydney, New South Wales, Australia.

paragraph_text: Lithia Springs High School is a public high school located on East County Line Road, in Lithia Springs, Georgia, United States. It is also known as Lithia Springs Comprehensive High School. It was the second high school to open in the Douglas County School District.

paragraph_text: Deninu School is a K-12 public school located in Fort Resolution, Northwest Territories, Canada. The school currently represents the only public education option for youth in the hamlet and serves a student population of approximately 125 students. The administration of the school is the responsibility of the South Slave Divisional Education Council (SSDEC).

paragraph_text: Greene County Tech High School (GCTHS) is a comprehensive public high school located in Paragould, Arkansas, United States. It is one of two public high schools in Greene County, Arkansas, along with cross-town rival Paragould High School, and is the sole high school managed by the Greene County Tech School District. It serves as the main feeder school for Greene County Tech Junior High School.

paragraph_text: Cumberland High School is a co-educational comprehensive secondary school (high school) located in the north-western metropolitan Western Sydney region of New South Wales, Australia.

paragraph_text: John C. Kimball High School (KHS) is an American public comprehensive high school in Tracy, California, south of 11th Street on Lammers Road. Kimball High School is the third comprehensive high school in the Tracy Unified School District. The first day of school was August 12, 2009 with an enrollment of 1,472 students.

paragraph_text: Figtree High School is a government-funded co-educational comprehensive secondary day school, located on Gibsons Road in Figtree, a suburb of Wollongong, in the Illawarra region of New South Wales, Australia.

paragraph_text: Gibraltar opened its first comprehensive school in 1972. Between the ages of 12 and 16 two comprehensive schools cater for girls and boys separately. Students may also continue into the sixth form to complete their A-levels.

paragraph_text: Middleton High School is a comprehensive public secondary school located in the city of Middleton, Wisconsin. It was established in 1879. Part of the Middleton-Cross Plains School District, the school serves more than 2,000 students in grades 9 to 12 from the Middleton and Cross Plains areas. Middleton High School's mascot is the cardinal. The school colors are white and maroon. Its athletic teams play at the WIAA Division 1 level in the WIAA Big Eight Conference.

Question: What comprehensive school was established on the island where Talwrn is found?
Answer: Holyhead County School