Quests that give SP?

Note 1: The Info provided in this section is not tested in the game itself, hence there may be some discrepancy in the info.
Note 2: Data used are mainly from GMS with some still having unofficial names.

First Mastery

 Spoiler

Baby Dragon Awakens (Level 10): 1 SP(1)
Tasty Milk 3 (Level 12): 1 SP(1)
Strange Pigs 2 (Level 13): 1 SP(1)
Letter Delivery (Level 13): 1 SP(1)
Mushroom Instead of Meat! (Level 14): 1 SP(1)
Power B. Fore's Never Ending Paranoia (Level 16): 1 SP(1)
Become a Hero (Level 18): 1 SP(1)

Second Mastery

 Spoiler

Strange Puppet (Level 20): 1 SP(2)
A Guard's First Assignment: Cleaning up Around the Dungeon (Level 21): 1 SP(2)
A Guard's Second Assignment: Helping Beginner Adventurers (Level 22): 1 SP(2)
A Guard's Third Assignment: Maintaining Warning Signs (Level 23): 1 SP(2)
A Guard's Fourth Assignment: Discovery of Strange Mushrooms (Level 25): 1 SP(2)
A Guard's Fifth Assignment: Strange Wild Boars (Level 26): 1 SP(2)
Please Catch the Thief (Level 28): 1 SP(2)

Third Mastery

 Spoiler

Dragon Types and Characteristics (Vol. I) (Level 30): 1 SP(3)
Dragon Types and Characteristics (Vol. II) (Level 30): 1 SP(3)
Kerning City's Honor Restored (Level 32): 1 SP(3)
Puppet Caring for his Master 2 (Level 33): 1 SP(3)
Kidnapping of Camila (Level 35): 1 SP(3)
Eliminate the Golems (Level 35): 1 SP(3)
Condition for Joining the Secret Organization 2 (Level 36): 1 SP(3)

Fourth Mastery

 Spoiler

Onyx Dragon Study (Level 41): 1 SP(4)
Knowledge about Dragon 3 (Level 42): 1 SP(4)
Never Give Up! (Level 42): 2 SP(4)
Permission to Join the Secret Organization (Level 46): 1 SP(4)
Secret Organization's First Mission (Level 46): 2 SP(4)

Fifth Mastery

 Spoiler

Another Clue about the Onyx Dragon (Level 51): 1 SP(5)
Strong Sail Needed (Level 51): 2 SP(5)
Secret Organization's Second Mission (Level 57): 1 SP(5)
Delivering the Black Key (Level 57): 1 SP(5)
Question about the Secret Organization (Level 57): 2 SP(5)

Sixth Mastery

 Spoiler

Slumbering Dragon Island (Level 62): 1 SP(6)

Info parsed from here.