The title says it i cant join it just kicks me out to the multiplayer screen

alright so, I got back on here recently and my grade tag still says [Year-7] and I've mentioned it a few times in /help on the server but I hadn't gotten any replies nor did I get the issue resolved. Is there a way you can fix it for me please? It's been stuck like that for a long time now...

IGN (Minecraft Username): DaddyRemy WHAT YOU NEED (ROLE/RANK) Either grade 10 or 11(I'm not sure at this point) YOUR CURRENTLY ROLE/RANK (IF ANY): 9th EVIDENCE: For the past few days I've been stuck on grade 9, I should be on either grade 10 or 11 at this point but the timer keeps resetting...

IGN (Minecraft Username): DaddyRemy WHAT YOU NEED (ROLE/RANK) Either grade 10 or 11(I'm not sure at this point) YOUR CURRENTLY ROLE/RANK (IF ANY): 9th EVIDENCE: For the past few days I've been stuck on grade 9, I should be on either grade 10 or 11 at this point but the timer keeps resetting...

IGN: DaddyRemy VEHICLE OR ITEM NAME: White phone EVIDENCE: ADDITIONAL INFORMATION: I had bought this white phone about a day or two ago. But today I logged on and I don't have it anymore. This is the only screenshot I got with it so I hope this is enough evidence but is there anyway I can get...

I know the poster drawings are very done but my time has been spent on (#1) a lot of exams and testing and (#2) this drawing took me a while. Hopefully it makes the cut.