This is almost certainly a custom modded font created by a specific user or server owner. It is not a public font. You would need to contact the mod pack author directly.
In the context of school fonts:
"Font XCCW Joined 1A" is a compact typographic manifesto disguised as a name — a design brief, a technical experiment, and a stylistic statement all at once. Readable and intentionally plain on the surface, it invites closer inspection: what happens when a font is built around the idea of joining, of compression, and of maximizing clarity inside a constrained space? font xccw joined 1a