In 1951, a portion of the basement was renovated into a 3rd grade classroom. In 1953, to handle overcrowding in all Bourne schools, voters approved construction of what would become the James F. Peebles School. It opened in 1955. The Sagamore population continued to grow and overcrowding issues did not go away. In 1967, Mildred Gilmer, who taught 4th grade, had 35 pupils in her class, and 6th grade teacher Barry Mawn had 28 students.
Overcrowding today remains an issue.
The village is growing again. But, with the building of a new middle school set to open in the year 2000, overcrowding, perhaps for a while, may be the thing of the past. Ella F. Hoxie, who taught 4th grade in the shingled Sagamore schoolhouse on the hill, retired in 1971. She had taught 48 years. She went straight from the Hyannis Normal School, a teachers college, to the Sagamore Grammar School in April 1923.