I'll post a skeleton CS here so you can get working on all of your drafts!

Name:
Appearance: (Writing or a pic, I don't mind)
Age:
Year:

House: (If in first year, leave this blank for the sorting hat!)
Short bio:
Personality:

Wand:
Patronus:
Hobbies:(if any)
Pets:(if any)
Personal possessions:(sneakoscope, e.t.c)

Relationships:
NPCs: (Any characters it might be handy to control)

[b]Note:[/b]Your CS does not in any way have to look like this, it just needs to include these aspects.