No. You do not have to take a drug test when you apply for your CT Permit.
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Connecticut Driver's License
If you fail your CT Permit Test you will be able to retake the Permit Test after a waiting period of 14 days. You will have to pay another $40 testing fee. It's important to NOT rush retaking your Permit Test. Study thoroughly and reread the entire manual to give yourself the best chance of passing your written exam on the second try.
If you are over 18, you will need to maintain your permit for ninety days before you can take the CT Driving Exam. During that time, you will need to pass the Safe Driving Practices Course, taught through a commercial or secondary driving school. If you are under 18, you will need to either complete thirty hours of classroom training and maintain your CT Learner's Permit for 120 days or complete 22 hours of classroom training and an eight-hour Safe Driving Practices Course, where it is necessary to maintain your CT Learner's Permit for 180 days. In some cases, teenaged applicants will need to complete 40 hours of behind-the-wheel training. To be thorough, you should check with your local DMV office to make sure you are completing all the necessary requirements before you take the CT Driving Exam.
You will need to bring your Learner's Permit Application, a signed parental consent form, your Social Security Number, two documents proving your residency in Connecticut and two documents proving your identity.
The CT Learner's Permit cost $19.
If you are under 18, your parent or legal guardian should accompany you. If they are unable to do so, it is possible to circumvent this requirement by bringing inside a Certificate of Parental Consent.
To give yourself the best chance of passing your CT Permit Test you should study all chapters and sections of the CT Driver's Manual. The exam will test your knowledge of speed limits, pavement markings, traffic signs, defensive driving and many more basic rules of the road.
You must answer 20 of the 25 questions on your Permit Test correctly in order to pass successfully.
You can find a copy of CT Driver's Manual by visiting this website and downloading a copy: https://www.ct.gov/dmv/lib/dmv/20/29/r12eng.pdf
To have the best chance of passing your CT Permit Test, you should read the entire Manual.