Race Academy: First Class is a story mission in South Park: The Fractured But Whole.
Plot details follow.
This mission is quick and simple. Use the fast travel flag at Big Gay Al's House to get to Crunchy's Micro Brew.
Inside Crunchy's, PC Principal will ask you your race and ethnicity. Choose whatever you want.
When you're done, return to the Coon Lair to start We Need a Tool.