Mrs. Czerwicki is the detention monitor at P.S. 38. She is seen in all of the books except for "Big Nate Lives It Up."
Mrs. Czerwicki has white, curly-frizzy hair. She is usually seen wearing a sweater.
Big Nate In A Class By Himself
In Big Nate in a Class by Himself she told Nate he had broken the record of the most detention slips. This made him very excited, as he had been attempting to surpass everyone else throughout the day.
Big Nate Goes For Broke
In Big Nate Goes For Broke she told Nate that he got three detentions that week. She also gave Nate the idea for the P.S. 38 Cartooning Club.
In Big Nate: Genius Mode and Big Nate: Say Goodbye to Dork City, she is shocked that Nate got ten detentions, which is a new record.
- She is fond of reading romance novels during detention to pass the time.
- She is shown to be great at table football.
- Her husband was too busy watching tennis(?) to get her a valentine's day card.
- Her son is in prison.
- She is rated as 'miffed - it's a way of life' in Nate's 'P.S. 38 ANGERGRAPH!'
- She is revealed to be a volunteer.
- It shows that she wears a wig, since it once caught on fire in Big Nate: In a Class By Himself
- Will tend to, not knowing it, yet about how ignorant her husband is.
- In Big Nate From the Top it was revealed she has a daughter.