This is a list of the maximum stats for every race/class combination:

HUMAN:

Mage:15/16/17/14/14

Cleric:17/14/15/14/16

Necro:15/15/16/14/16

Fighter:18/15/14/16/13

Ranger:16/15/15/16/14

Paladin:18/14/13/15/16

Rogue (of which AA has none):16/17/16/14/13

HALF-ELF:

Mage:13/16/18/12/16

Cleric:15/14/16/12/18

Necro:13/15/17/12/18

Fighter:16/15/15/14/15

Ranger:14/15/16/14/16

Paladin:16/14/14/13/18

Rogue (of which AA has none):14/17/17/12/15

ELF:

Mage:12/18/19/12/14

Cleric:14/16/17/12/16

Necro:12/17/18/12/16

Fighter:15/17/16/14/13

Ranger:13/17/17/14/14

Paladin:15/16/15/13/16

Rogue (of which AA has none):13/19/18/12/13

DWARF:

Mage:16/15/14/15/15

Cleric:18/13/12/15/17

Necro:16/14/13/15/17

Fighter:19/14/11/17/14

Ranger:17/14/12/17/15

Paladin:19/13/10/16/17

Rogue (of which AA has none):17/16/13/15/14

ORC:

Mage:15/17/15/15/13

Cleric:17/15/13/15/15

Necro:15/16/14/15/15

Fighter:18/16/12/17/12

Ranger:16/16/13/17/13

Paladin:18/15/11/16/15

Rogue (of which AA has none):16/18/14/15/12