PORTLAND — Raymond Allen was born during the Great Depression and pinched pennies all his life. He shopped at discount stores. If something was broken, he fixed it. If he needed something, he often built it himself. His clothes were clean, but worn. And he was a dedicated math teacher who thrived on adventure. Raymond Allen, in an undated photograph His dedication to saving is now paying off for a new generation of Portland High School students: Allen left more than $1 million to support a scholarship fund at the school where he taught for more than 20 years. This week both the City Council and the School Board are scheduled to honor Allen for his generosity and devotion to past and future generations of local scholars. Known as “Uncle Ray” to many, Allen established the Mabel C.