CREATE TABLE table_8417 ("School" TEXT, "Locality" TEXT, "Ages" TEXT, "Report" TEXT, "Website" TEXT)

What is the Locality of the Penarth Group School for Ages 8-16?
SELECT "Locality" FROM table_8417 WHERE "Ages" = '8-16' AND "School" = 'penarth group school'
SELECT "Locality" FROM "table_8417" WHERE "Ages" = '8-16' AND "School" = 'penarth group school'