Arcane Mentor 2.0
Okay, this skill points per level are 4+Int, the above write-up was in error on that point. I'm adding a new ability should be added at levels 3, 6 and 9. So here's version 2.0 of this class:
Arcane Mentor v. 2.0
The Arcane Mentor uses her knowledge to watch over and train another spellcaster, forming a close personal bond between master and apprentice. This student once selected, remains connected to the Mentor until either the Mentor or the student dies. The Arcane Mentor typically teaches by example, spending a great deal of time conducting research, studying ancient tomes and often adventures to hone her arts in the field. The Mentor's protégée is expected to accompany her on such excursions, in a way each day is a test- which you either pass or die trying.
Class Skills:
Craft(int), Concentration(con), Decipher Script(int), Diplomacy(cha), Knowledge(any)(int), Heal(wis), Scry(wis), Sense Motive(wis) and, Spellcraft(int).
Skill Points at each level: 4+ Int modifier.
Hit Die: d4
Feats: Any two metamagic feats, Leadership.
Spellcraft: 8 ranks.
Knowledge (Arcana): 8 ranks.
Any two other Knowledge skills: 4 ranks each.
Special: Must be capable of casting Arcane spells of 3rd level or higher.
Special: Cohort gained through the leadership feat must have two or more levels in the same Arcane magic using class as the Arcane Mentor.
See kreynolds post, above, for class chart.
Weapon and Armor Prof:
No new profs, you know how the default text reads.
Spells per day:
You know how this works. +1 level at 1st, 3rd, 4th, 6th, 7th, 9th and 10th level.
Ivory Tower:
Because of the intense and close relationship between the Arcane Mentor and her cohort, the Mentor has very little time to cultivate a working relationship with her followers. Because of this academic isolation, the Arcane Mentor has a -10 modifier to her Leadership Score for purposes of attracting followers ONLY.
However, the intense bond between master and student give the Arcane Mentor a +5 modifier to her Leadership Score, for puroses relating to her cohort.
Spell Secret:
The Mentor uncovers applicable knowledge during her studies. Choose a bonus metamagic feat at 1st, 4th, 7th, and 10th level.
Arcane Training:
The Arcane Mentor is not just a gifted teacher; her student is a gifted pupil as well. At 2nd, 5th, and 8th levels the Arcane Mentor may select a Metamagic feat she possesses and may pass the secret onto her student as a bonus feat.
Practiced Ease:
The Arcane Mentors knowledge of magic and magical theory allows them to cast metamagic spells with greater ease than other spellcasters. At 3rd level, the Arcane Mentor gains the ability to reduce the level adjustment of metamagic feats by 1, to a minimum of 0. At 6th level, this adjustment increases to 2, and at 9th level, 3.
Example
A normal wizard could memorize and prepare a Maximized Magic Missile as a (1+3) 4th level spell. However, an Arcane Mentor of at least 3rd level could prepare the same Maximized Magic Missile as a (1+3-1) 3rd level spell.