Correlation between IQ, educational level and substance use

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I would like to see whether there is a correlation between IQ, educational level and substance use/abuse.

Please give honest answers to the listed topics:

IQ score
Level of education (such as high school diploma, college degree [bachelors, masters, doctorate], vocational)
Use of alcohol (rare, occasional, regular/how many drinks a month)
Use of drugs (tried, seldom, occasional, regular, frequent)
Use of tobacco (dip, snuff, cigarettes, cigars, pipe/how many or how much as day or week)

IQ score: 155 (most recent), past scores: age 12: 149, age 16: 122
Educational level: Vocational degree
Use of alcohol: Occasional/Two beers one day a week
Use of drugs: Tried marijuana/hasheesh
Use of tobacco: Three to five cigarettes a day (menthol only)

IQ score: 136

Level of education: B.S.

Use of alcohol: Dad gave me some drinks at 16, and I tried to get drunk (and failed) at 19. Never again after those two episodes.

Use of drugs:Never.

Use of tobacco: Tried a cigarette once at work.

I suspect that you are going to find the substance use correlates more with personality traits than IQ or intelligence.

It is just a check within the community. I have a knack for looking at people's problems or whether they have any.

I don't think we're really a representative group, but here it goes:

IQ score: 59/60 (Raven's Progressive Matrices) at 18; 136 at 22; 104 at 27
Education: Bachelor's Degree; two years of grad school
Use of alcohol: frequent since late adolescence, about 8-10 units on most days (1 unit = roughly 250 ml of wine)
Use of drugs: regular codeine since 19, still using it; used harder opiates in the past
Use of tobacco: one pack a day

IQ score: 154 @ age 12
Educational level: GED
Use of alcohol: Occasionally. A hard liquor drink about twice a year.
Use of drugs: NEVER
Use of tobacco: Puff on cigarettes when I was a teen, but never inhaled.

IQ score: Unknown (the psychologist said they couldn't tell my score, but my mom thinks it's probably around 130)
Level of education: Bachelor's
Use of alcohol: Very rare, maybe a shot of 16% liquor in a milkshake every other month or less
Use of drugs: None
Use of tobacco: None

Alcohol in a milkshake. That one is new to me.

My favorite is Irish Cream and maybe a drop or two of peppermint schnapps in a chocolate milkshake. You should try it. Peach schnapps in a vanilla shake is my mom's favorite.

IQ: I was given a Stanford-Binet test when I was 13. I was not told what my numerical score was but I was three standard deviations above the mean (130 - 144 / Gifted or very advanced).
Education: Bachelor's of Science degree
Alcohol: Currently do not drink as it is contraindicated by prescription medication I am taking. Did some binge drinking in college and the first 2 years after I graduated. I'm not sure but it's possible that the number might be as high as 100 drinks per month during this period. Following that it dropped down to 10 - 12 per month and 0 for the past four months.
Tobacco: Approx. 10 per day, Newport menthol 100's with the filter ripped off, or I'd roll my own if I still lived near a decent tobacconist. I like the occasional spliff (a combo tobacco/marijuana cigarette). I'll smoke a cigar on a special occasion if one's offered.
Drugs: Smoke weed errday. Psilocybin (magic mushrooms) twice, maybe three times a year, if I can get them at all. (Definitely not a drug I would want to take all the time, but I am the sort who would rather take the occasional 5.7g heroic voyage than the frequent 2g pleasant trip.) Smoked opium once, it was pleasant but I don't think I would do it again.

IQ: never officially measured. I had a phase where I found all the IQ tests I could find online and did them all multiple times. In that time period I had 1 or 2 birthdays, and the IQ score dropped significantly with each birthday (as per how it's measured). As an adult I'd guess 120-130, as an 11 or 12 year old, 160-170. Unless measured on one of my bad days, then I'd probably get 90.
education: Honors degree, Psychology, Science
Alcohol: I'm officially done drinking at home, (4 months in?) so like once a month at someone else's house or if I go out. (go out, ha!). I drank a fair bit for a number of years though, 3-4 times a week, a few servings each time. Enough that I definitely felt it, maybe 4 times a year I would drink enough to give me a hangover (so a lot more.)
tobacco: None, although it'd probably help my concentration a lot.
other drugs: caffeine from coffee and tea off and on ranging from a couple servings a day, 6 times a week to nothing for months, to a couple times a week. Pot...3 times in the past year, which is the most I've ever done. I don't see myself using it much going forward, don't like the effects. No other drugs including prescriptions that would be mind altering.

IQ: It was measured above 150 as a child, the exact number I would rather keep to myself...

Education: PhD in chemistry

Alcohol: Tried once at legal age, found to be allergic (internal bleeding), no usage since

Tobacco: No usage

Other Drugs: No usage with the exception of small dose (175 mg) aspirin daily

IQ score: According to online tests, somewhere between 130 and 140.
Level of education: Still going through college, either getting a B.S. or an M.S.
Use of alcohol: <4 beers/month, but I do get drunk once or twice a year.
[Recreational] Use of drugs: Never, nor do I intend to.
Use of tobacco: Never, nor do I intend to.

That being said, some of these answers might be explained by cultural factors. Eg. I haven't tried drugs because I never had access to them, but the reason why I don't intend to use them is a personal preference.

If it helps, my mom, dad, and brother are all on the spectrum too.

Mom:
IQ: 164
Education: Almost completed her BS
Alcohol: very rarely
Tobacco: Never
Other Drugs: never

Dad:
IQ: 135
Education: BS in Biology
Alcohol: None
Tobacco: Never
Other Drugs: Never

Brother:
IQ: 162
Education: Spent over ten years in college and never got a degree
Alcohol: A few times a week (wine mostly)
Tobacco: Never
Other Drugs: Occasionally marijuana and has tried harder stuff (self medicating)

Really now?
Care to elaborate?

While I am not socially engaged, I am interested in people and would love to study psychology if my government wouldn't put so many barriers up. I would have to go to the other side of the country to go to uni.