The Eugene School District wants to make it clear that the battery-powered cigarette look-alikes known as e-cigarettes are banned from school property.
The Register-Guard reports the school board voted Wednesday to include the word "e-cigarette" in its tobacco policy.
Officials said that they believed that their rules banning smokeless tobacco included the devices, but they said they wanted to act to make it explicit.
The neighboring Springfield School District plans to plans to send a memo to its high schools to let staff members, parents and students know that e-cigarettes are not allowed on school premises.
And the Bethel School District in west Eugene says it bans any smoking device and smokeless tobacco product, which includes e-cigarettes.
The devices deliver nicotine to users in vapor.