Can Teachers Smoke Weed? License Revocation and District Policy

A Tennessee middle school teacher took a drug screen in December 2019. It came back positive for marijuana. Seven months later the state board of education suspended her educator license for two years.
Not her job. Her license, which is the thing that lets her teach anywhere in the state.
This guide covers what state boards can actually do, what courts have allowed and blocked on testing, why the federal funding argument does most of the work, and where school bus drivers sit.
The short answer
Legally risky almost everywhere, and the risk is bigger than being fired. A district can dismiss you. A state board can take your credential, which follows you across districts and sometimes across states. Those are separate proceedings with separate standards, and the second one is the career-ending version.
The license is the real exposure
Most coverage treats this as an employment question. It is a professional licensing question, which is a different animal.
The Tennessee case is the cleanest published example. The state board suspended the educator's license for two years following a drug screen that came back positive for marijuana, acting under state licensure rules and statute.
The rules those boards apply are broader than people expect. Tennessee's licensure rule names conviction for possession of narcotics, being documented under the influence on school premises, and use or possession of illicit substances, with sanctions running from a one year minimum suspension up to revocation.
Ohio's code of professional conduct says educators shall not use, possess or unlawfully distribute illegal or unauthorized drugs, with presumptive sanctions of one day to five years for drug misuse unconnected to students. Its own guidance is explicit that the code applies twenty-four hours a day, three hundred and sixty-five days a year, and that misuse outside school may put a license at risk.
New Jersey revoked a teaching certificate in June 2025 over a drug conviction. South Carolina summarily suspended one in 2019 following a marijuana arrest.
These are published, findable decisions in states with functioning licensure boards. They are not hypothetical.
What courts allow on testing
The case law splits along a line that is easy to state and rarely explained.
Testing at the door is generally allowed. In 2018 the Eleventh Circuit upheld suspicionless pre-employment drug testing of substitute teacher applicants in Palm Beach County. The opinion contains a number worth noting: of 4,958 applicants who submitted to testing, 0.67 percent tested positive, and 27 of the 33 positives were for marijuana.
Random testing of teachers already employed has repeatedly been blocked. A federal judge in West Virginia enjoined a policy that would have randomly tested a quarter of 3,326 designated employees for a panel including THC, holding that the district defined special need in an overly expansive manner and rejecting the reasoning of an earlier Sixth Circuit decision. A Tennessee county's random policy was struck down in 2011 as unreasonably intrusive.
So the practical picture is that applicants get tested and incumbent teachers usually do not, absent suspicion or an accident.
That does not make an incumbent safe. Reasonable suspicion testing, post-incident testing, and simply being reported by a colleague all remain available routes, and the Tennessee case began with administrators receiving information.
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Start a QuizThe federal money argument
Here is the part that decides most district policies, and it rests on a misunderstanding worth correcting.
Districts routinely say they must prohibit cannabis to keep federal funding. The regulation they are pointing at requires grant recipients to make a good faith effort, on a continuing basis, to maintain a drug-free workplace, which means publishing a policy statement, running an awareness program, and reporting workplace drug convictions.
Nothing in it requires drug testing. Not one line.
The Drug-Free Workplace Act itself does not mention testing either. The Drug-Free Schools regulations that do impose annual distribution requirements apply to institutions of higher education, not to K-12 districts.
So districts have latitude they often do not use. The federal obligation is to have a policy and an awareness program. Testing teachers, and treating a positive as automatic dismissal, is a local choice presented as a federal requirement.
That distinction matters because it is exactly the argument that ends careers. A Florida district fired a teacher over legal medical cannabis disclosed after a workplace injury, on a three to two board vote, with its counsel explaining that the school district must be a drug-free workplace to receive certain federal grants, and that means the district can't allow teachers to use marijuana. The teacher's own comment was that she does not do drugs, does not smoke pot and does not get high, which is what medical cannabis patients generally say and what a metabolite test cannot distinguish.
The unexamined day is a wasted opportunity. Reflect on what you did, what you learned, and how you can improve.
John Dewey
Bus drivers are a different, harder category
If any part of the job involves a commercial driver's license, none of the above applies and the answer is a flat no.
School bus drivers sit in Department of Transportation random testing pools year-round, on a panel that includes marijuana. Federal guidance treats a driver removed from those pools for more than thirty days as needing a pre-employment test before returning, which is why summer breaks generate paperwork.
The department has said repeatedly that state legalization has no bearing on its program, and that medical review officers will not verify a positive as negative because a state permits the use. That position was reaffirmed in 2026 after the rescheduling executive order, with the department confirming its testing process had not changed.
Coaches who drive activity buses, teachers who move equipment, anyone with a CDL attached to the role: same rules, no discretion.
Where state protections stop
Roughly a dozen states now protect off-duty cannabis use to some degree. Teachers are frequently outside those protections, and the carve-outs are worth reading carefully instead of assuming.
The common exclusions are positions funded by a federal grant, positions subject to federal law, safety-sensitive roles, and in at least one state, employees who care for children. Between them, those categories catch most school employment even in states with the strongest employee protections on paper.
There is also a documented pattern in how discipline actually lands. One large district's figures showed most of its annual marijuana discipline cases involved support staff, bus drivers and custodians, rather than licensed teachers, which reflects who gets tested more than who uses more.
What a teacher who grows should know
This is the section where a seed company has to be careful, so let us be direct instead.
Cultivation is legally worse than consumption in almost every framework that touches this profession. Licensure rules name possession alongside use. Plant counts are visible, documented and physical. A grow is a months-long activity that leaves a trail, and unlike a weekend it cannot be characterized as a lapse.
If you hold a teaching credential in a state where home cultivation is legal, the state cannabis law is not the only law that applies to you. Your licensure board's professional conduct rules operate independently, apply outside working hours, and in Ohio's own words apply every day of the year.
We would rather say that plainly than sell seeds to somebody who loses a credential over them.
For everyone else, two of the most consistently well-behaved plants in our catalog. Wedding Cake is an 80% indica from Cherry Pie crossed into GSC and OG Kush, 27% THC, and unusually fast at 55 to 60 days, staying compact at 90 to 100 cm indoors with vanilla and sweet-sour earth. Gelato 45 is Sunset Sherbet crossed with Thin Mint GSC at 30%, running 65 to 70 days for 650 to 750 grams per square meter, mint chocolate and berry, mood-lifting without much weight.
Four decades of breeding means we think a lot about what a plant asks of the person growing it. Neither of those asks for much. That is a virtue in a spare room, and it is beside the point if your license is on the line.
The short version
Teachers face two separate risks: dismissal by a district and discipline by a state licensing board, and the second one is the career-level threat. Published cases show licenses suspended and revoked over marijuana, including for conduct outside school hours.
Courts have upheld pre-employment testing of teacher applicants and repeatedly blocked random testing of serving teachers. Federal grant rules require a drug-free workplace policy and an awareness program, not testing, though districts routinely present the stricter version as a federal mandate.
Anyone with a CDL, school bus drivers above all, is under Department of Transportation rules where state law is irrelevant and there is no discretion at all.
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