Table:
text: List of schools in the West Coast Region
Grey District
Grey District
Name_ Years Area Authority Decile Roll
Awahono School - Grey Valley 1–8 Ahaura State 4 84
Barrytown School 1–8 Barrytown State 4 19
Blaketown School 1–8 Blaketown State 2 70
Cobden School 1–8 Cobden State 2 150
Gloriavale Christian Community School 1–15 Haupiri Private n/a n/a
Greymouth High School 9–15 Greymouth State 4 637
Greymouth Main School 1–8 Greymouth State 5 363
John Paul II High School 9–15 Greymouth State integrated 4 157
Karoro School 1–8 Karoro State 8 158
Lake Brunner School 1–8 Moana State 7 52
Paparoa Range School 1–8 Dobson State 3 124
Paroa School 1–8 Paroa State 6 156

Question: By what name does the List of 637 belong to the List of Schools in the Gray District of the West Coast Region?

Question: Which agency has a list of 70 on the list of schools in the West Coast region's Gray District?

Question: The decile of 6 under the list of schools in the west coast region, the Gray District, has what corresponding years?