The Hope College pair is among 13 players on the first team determined by the league's coaches.
They helped the Flying Dutch tie for third place in the MIAA standings and qualify for the MIAA Tournament.
Greenfield, bottom right, claimed All-MIAA honors for the second time in her career.
The senior from Georgetown, Texas (Georgetown HS), scored 22 of her 38 goals this season in MIAA play.
Greenfield, top right, departs as Hope's all-time leading scorer in points and goals.
Schumborg anchored the Flying Dutch's defense.
The junior from Ann Arbor, Michigan (Saline HS), forced 16 turnovers and collected 25 groundballs.
Sophomore midfielder Dana Kym of Libertyville, Illinois (Libertyville HS), made the All-MIAA Second Team.
Kym totaled 25 of her 37 goals in MIAA matches.