Ms. Costello is soon to be Mrs. Prysny! 😉💍

I think we’re good with just two cats! 😂

If you live in the 46th ward, support our girl Erika for alderman @erikafor46 ✊🏼

You should both delete your accounts. Mayor Brandon Johnson and Governor Rauner You worked together to try bust CTU and destroy CPS. Quit playin. x.com/ChicagosMayor/…

Happy last day of summer school from #TeamDever representing at Gray School! 😂👍🏼

From yesterday. Is it too soon to get my classroom ready for the upcoming school year? 😂

We honored veterans at Dever on Friday with an event where they came to speak to classes. One message from a firstie: “I like veterans and drive safely.” 😉🇺🇸

Room is ready! Tuesday, here we come! Dever Dragons

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one of my students asked me last week during her sight word test if it would be going on her “permanent record” 😹 awww, firsties

Our members have voted to support merging with unionized educators in charter schools, support better representation for members and support embedding racial, social and economic justice in our union's constitution. ctunet.com/blog/ctu-chiac…

The face Ms. Costello makes when her cat Mayor Daley jumps on the table #writing 😡😂

Due to the extreme weather forecast, classes for all CPS students will be canceled on Friday, February 9.

Morning meeting today: what do you think Mayor Daley the Cat does when Ms. Costello isn’t at home? Responses: jump on the table, knock everything over, scratch the couch, sleep all day, run around the house, “go crazy”, have a dance party with Lola the good cat 😂 #team1stgrade

First grade keeps it 💯 😎 #100DaysOfSchool dever.cps.edu/costello/100th…

Today, two of my students showed me how to write my last name in Ukrainian 😃 #StudentsTeachTeachers

Agreed! #YoungMsCostello #TeacherAppreciationWeek

Not much has changed since Ms. Costello was in pre-k (except swap that apple for a coffee)! ☕️😂🍎#TeacherAppreciationWeek

Wondering why I am a stickler for good student attendance? Because Young Ms. Costello ALWAYS came to school when she was a kid! 😂 #TeacherAppreciationWeek

Girls on the Run 5k! Yay Dever Dragons, woo! 🐉