The bell clapper is in the secret room below the Detention Room.
You can fix the bell with the clapper once the seagull is chased away. (see related question)
The bell is on top of the school in big nate island
The missing bell clapper on big nate island is in the secret room under the detention room turn on the light and go to your right and jump on the tool table and above you is the missing bell clapper just jump at it and it will go into your items.
Poptropica
Up of the school.
They are talking on the playground and will not leave until the school bell rings. Unfortunately, the bell is missing its clapper. Find the clapper, and scare away the seagull atop the school. Then you can ring the bell. (see related questions)
The only thing in the "secret room" under the detention room is the missing School Bell Clapper, which can repair the bell once you have scared off the seagull.
The missing bell clapper is hanging from the ceiling.
The missing bell clapper on big nate island is in the secret room under the detention room turn on the light and go to your right and jump on the tool table and above you is the missing bell clapper just jump at it and it will go into your items.
you need to get the bell ringer and ring the school bell to get them away.
it's on Big Nate Island on top the school
The bell on Big Nate Island on poptropica is located on the top school building. To reach it when you have the clapper, you need to get rid of the seagull there. (see related question)
The school's bell tower is on top of the roof. The bell is not working because the clapper is missing, and is lost somewhere in the school. When you find it, you can't put it back (and ring the bell) until you get rid of the seagull there. (see related questions)