He attended public schools. Christopherson moved to Sioux Falls, South Dakota, where he attended Sioux Falls Business College and Normal School. He graduated in 1890 and read the law with an established firm until he qualified for the bar.
Christopherson's educational background included attending public schools, studying at Sioux Falls Business College and Normal School, graduating in 1890, and working as a lawyer with an established firm until he was qualified to practice law.