Ranked #10 of 10 in Season 21•−0.7 vs season avg
The designers head back to school where they must create fashionable looks using unconventional materials before facing a shocking twist at the elimination.
Christian Siriano
Self - Mentor
Nina Garcia
Self - Judge
Heidi Klum
Self - Host
Law Roach
Self - Judge
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"Sew Elementary" is episode 4 of Project Runway season 21. It scored 4.1/10 from 167 votes, ranking #10 of 10 episodes this season (season average 4.8). It aired on August 14, 2025.
