This season the characters are in 2nd and 3rd grade.
- First Day of Third Grade Part 1- Gabby and others come back to JCS for third grade, Jacob transfers, Mia is having a debate to go to TMS, Gabby prank calls Mia.
- First Day of Third Grade Part 2- Gabby gets found by Mrs. Murphy thanks to Mia, Mike and Andrew face new difficult work.
- Holly K. Misses Ann-nay- Gabby and Jamie find a new way to make Julia stop bullying them, Holly K. misses her friend Anne.
- Old Friends and New Friends- Anne comes back to JCS which makes Holly K. happy, New girl America comes to school, Carmine and Marcus become badminton partners.
- Field Trip- Everyone goes on a class trip to Washington D.C, lots of mayhem happens on the bus.
- Grades and Fidelity Part 1- America gets picked on because she is smart, Raphael and Carmine start a club, Julia breaks Jamie's cell phone.
- Grades and Fidelity Part 2- Raphael and Carmine's club comes to an end, Mrs. Murphy makes Julia buy Jamie a new phone.
- Breaking Glass- James is upset when he finds out that his parents are getting a divorce, Gabby throws an end of the year party.
- Graduation (sort of)- Everyone goes to the 5th grade graduation and pack their bags and get ready for summer.
- Gabby- 3rd grade
- Mia- 3rd grade
- Jamie- 3rd grade
- Julia- 3rd grade
- Mike- 2nd grade
- James- 2nd grade
- Raphael- 3rd grade
- Holly K.- 3rd grade
- Anne- 3rd grade
- America- 3rd grade
- Andrew- 2nd grade
- Marcus- 3rd grade
- Carmine- 2nd grade
- Jay- 3rd grade
- Mick- 3rd grade
- Mrs. Murphy- Principal of JCS
- Anne- is back for her 3rd grade year.
- America- super smart and ready for 3rd grade.