Magic

This is based on the overall potential and intellectual competence of the wizard. Prodigal Tier (in order)

Fleur Lucius Malfoy (edit) Luna Lovegood Ginny Weasley

Dumbledore

Death Eater Yaxley

Riddle

Antonin Dolohov

Grindelwald Snape Gifted Tier (in order) Mcgonagall Filius Flitwick

Bill Weasley Dolores Umbridge Narcissa Malfoy Draco Malfoy Barty Crouch Jr.

Professor Horace Slughorn Alastor 'Mad-Eye' Moody / Pomona Sprout

Average (in no order) Arthur Weasley

Bellatrix Lestrange

Vincent Crabbe

Sirius Black

Neville Longbottom

Remus Lupin Hermione Granger

Sybil Trelawney Peter Pettigrew

Kingsley Shacklebolt

Below average (in no order)

Nymphadora Tonks

Gregory Goyle Cornelius Fudge

Above Average Tier (in no order) Molly Weasley

Failure (in no order)

Percy Weasley

Squibs

Ron Weasley Harry Potter

Muggles