Okay, here's my thought...
Warren Okuma's (That's Me) Pre-Career 
Event Table.
Events, Pre education.  Roll 1D6, 1-2 Table-1 Different Events, 3-4 Table-2 More Common Events, 5-6 Table-3 Mundane Events.
How many rolls?  
Classic:  0
Skilled:  2
Advanced:  4
Table 1:  Different Events
1  Trouble  * Is for tab.  I don't know why the tabs are not reading.
*1  Ine Givar Terrorists are active on this planet:  Militia:  Choose one from, Melee (any), Gun Combat (any), or Recon.
*2  Harassed by a gang or thugs:  Choose one from, Athletics, Carouse, Melee (any) or Gun Combat (any pistol).
*3  Duels:  Choose one from, Melee (any) or Gun Combat (any).
*4  Combat, Drafted planet side for a Month for Support:  Planet is hit by low level war.  Choose one from, Medic, Mechanic, Drive (any).
*5  Combat, Drafted planet side for a Month for Support:  Planet is hit by low level war.  Choose one from, Drive (any), Flyer (any), Mechanic.
*6  Riots:  Choose one from:  Athletics, Recon, or Comm.
2  Natural disaster
*1  Asteroid strike:  Choose one from, Flyer (any), Medic, Comms, Athletics.
*2  Tsunami:  Choose one from, Flyer (any), Seafaring, Athletics.
*3  Hurricane:  Choose one from, Drive (any), Flyer (any), Seafaring, Athletics.
*4  Massive Solar Flares:  Choose one from, Drive (any), Computer, Engineering (electronics),
Science (Physics).
*5  Epidemic:  Choose one from, Drive (any), Flyer (any), Medical, Science (Biology or Chemistry). 
*6  Super Volcano Erupts:  Choose one from, Drive (any), Science (Physics or Planetology).
3  Side Quests
*1  Damn those meddlin' kids!  Get Investigation.  If you want Investigation-2 you can, but you get a rival.
*2  You find lost money from a bank robbery, get 10,000 x 1D6 and get investigation skill.
*3  You train to kill your next enemy or rival.  Get Gun Combat (any), Explosives, or Stealth.
*4  You help a stranger, karma smiles upon you.  Ironman skill-1 (two if you are not using Ironman character generation).
*5  A contact needs help.  You give help.  Turn that contact into a friend, and roll a skill on the personal development table (Drifter).  You get a contact.
*6  It always begins with a woman (or man, or Vargr or whatever)... roll two skills on the Drifter Service skill table... and a rival.
4  Weird
*1  You get Animals 3 skill.  
*2  After a huge drinking binge, you sign up for the draft and get two bonus skills in that career!
*3  You get a new level 1 skill.  Any.  One that you don't have.  No explanation, your just naturally good at it and suddenly developed it.  No explanation at all.  Really.  Yeah, really.  Uh-huh.  Yup.  
*4  A rich, distant relative dies and leaves you 1D6 shares or take a skill in Diplomacy.
*5  You get sued and win!  Get 1D6 shares or Advocate skill.
*6  An aging expert takes you under his/her/it's wing and trains you in a new skill to level 2.
5  Idle Hands
*1  Rule one.  Nobody talks about the brawl club... Get +1 End, and get Melee (any).
*2  Mountain climbing +1 Str (Max 9), +1 End, get Athletics.
*3  Soo bored, so how about a game?  Get Gambling or Carouse.
*4  Hobby:  Get Art-2.
*5  Did somebody say party!  Get Carouse!
*6  Constantly settle trouble with neighbors.  Get Diplomacy.
6  Work Related
*1  Intensive training, roll two more skills on next career table. 
*2  Cross training, roll two more skills on any career table.
*3  Conference.  You increase an existing skill by one.
*4  Physical fitness program.  +1 End (Max 9) and +1 Str.
*5  Homeworld intensive training.  Raise two background skills to one.
*6  Super career counseling.  Change any two skill rolls made for your careers.  Yeah, that's right you change the rolls.
Table 2:  More Common Events.
1  Strange trouble
*1  Get Stealth, Recon, and an enemy.
*2  Earn Advocate.  Bleh.
*3  Force to get Admin skill.  Yeaaah.
*4  Enginner-1 for all specialties.
*5  Get Melee (any) and have fights.
*6  You get Persuade.
2  Odd vacation
*1  Are... we... there... yet.  Drive (any) 2.
*2  Get Survival.  You are reluctant to fly.
*3  Get Stealth.  And a Rival, that's a stalker.
*4  Get Deception.  Yeah.  One of those vacations.
*5  Get Heavy Weapons (any), yup they threw a civil war.
*6  Get Astrogation.  You know how to hand calculate orbits when the computer is down.
3  Not so bright choices
*1  Survival School, survival.  It was very, very, miserable.
*2  +1 End.  More scut work.
*3  The vacation from hell.  Get Mechanic and Diplomacy.
*4  Athletics 2.  Unwillingly.
*5  Sensors 2.  Grudgingly.
*6  Streetwise 2.  Against your better judgment.
4  Family (if you don't have a family, you don't get the skills)
*1  Help your brother or sister, get Art, or Science.
*2  Help your family sell stuff, get Broker.
*3  Help your brother or sister, get Computer.
*4  Big family, get Diplomat.
*5  Stump blasting for mom and dad, Explosives-1.
*6  Cousin made it big, Flyer-2 (not the same specialty).  Yup you show him around.
5  Friends/acquaintance
*1  They drag you to the dark side Carouse-2.
*2  A friend ask you to investigate his girlfriend.  Get Investigate.  Get Friend.
*3  You make a friend.  Get Language.
*4  A friend needs to study Navigation.  You help giving him/her quizzes and get Navigation.
*5  An acquaintance lets you use his/her simulator.  Get Pilot.
*6  An acquaintance lets you use his/her simulator.  Get Remote Operations.
6  Strangers/Organizations
*1  Get Gunner (any).  It was a job.
*2  They make you do odd stuff for a reality show, get Jack of All Trades and 1D6 x 10000 credits.
*3  You do some volunteer work, get Leadership.
*4  Get Medic.  More volunteer work.
*5  Get a yacht and a dock.  The other kind.  Seafarer-2.  Worth 1D6 x 20,000 if yacht, dock, and membership is sold.  You belong to a Maritime Yacht Club.
*6  Get the cooking bug.  Steward-2 and lots of contest ribbons.
Table-3 Mundane Events
1  Part Time Jobs.
*1-3  Get Trade 2 (not the same specialty) and 10,000 cr.
*4  Get Battle Dress (actually cargo handler exoskeleton) and 10,000 cr.
*5  Get Vacc Suit and 1D6 x 10,000 cr.
*6  Zero-G 2 and 10,000 cr.
2  Education
*1  You like athletics.  Get Athletics.
*2  You think you like Art.  Get Art.
*3  They make you do the math.  Get Astrogation or  Science (physics) (closest to math).
*4  You are a hacker get Computer-2.
*5  Driver's ED.  You get a drivers license.  And then you race.  Get Drive (any).
*6  Engineer-2 (not the same specialty).
3  Family Business
*1  Family makes you do the books.  Get Admin.
*2  Family makes you do the briefs.   Get Advocate.
*3  Family makes you sell stuff.  Get Broker.
*4  Family makes you cook and clean.  Get Steward.
*5  You meet lots of People, Get Language-2 (not the same specialty).
*6  Get Jack of All Trades.  They make you do everything.
4  Outdoor Skills
*1  You work outside or in a fake outside.  Get Animal or Seafaring.
*2  Explosive.  You learn how to set mining charges.  Get Explosives.
*3  Someone takes you Huntin'.  Get Gun Combat (any) or Survival.
*4  Someone takes you Shootin'.  Get Heavy Weapons (any) or Tactics (laser tag or paintball or the like).
*5  Get Mechanic, you gearhead.
*6  Get Recon or Stealth.  Dad or Mom took you out hunting dangerous game.
5  Extra Curricular Activities
*1  Carousing.  You go on many dates.
*2  Get Deception.  You get as many levels in it as you subtract from you Edu score plus one.  You cut class.
*3  Diplomat.  Lots of dangerous folks out there.  Get Diplomat or Streetwise.
*4  Gambler.  Get Gambling.
*5  You are the best school newspaper reporter they have.  Get Investigation.
*6  Get Leadership.  You organized these delinquents.
6  Summer Camp
*1  Radio Camp:  You get Communications.
*2  Get Flyer (any).  Lots of simulators.  Space camp.
*3  Medic camp.  Get Medical.
*4  Martial arts camp.  Get Melee (Any).
*5  Get Persuade.  You just didn't want to do all that stupid crap.
*6  Get Science-2 (not the same specialty).  Science camp.
Rolling an inappropriate skill... like Seafarer in the desert or asteroid.  If you can come up with a plausible reason (like living in a domed marina) you can get it, otherwise roll again.
You need pre educational events...
How about these skill options?
Skill Levels:
Classic:  As is.
Skilled:  Increase to 2 per term taken (not one)
Advanced:  Increase to 2 per term taken (not one), and two per promotion (not one).
Enjoy!
Other notes...
Scouts don't have survival?  Odd...
No wonder exploration scouts die like flies...