A face mask must be worn by all students and staff when on campus or when in a school district facility. All students will be provided with two (washable) face masks for the school year. (Staff has already been given masks.)

The CDC continues to evaluate face coverings and currently, the CDC does not recommend the use of neck gaiters as an effective substitute for face masks. Therefore, TTUSD will not be allowing neck gaiters as face coverings. 

Based on new guidance from the CDC and CDPH, face shields alone are not allowed at TTUSD because they are not considered effective per the CDC. This is because droplets can escape beneath the shield.
See CDC’s Use of Masks to help slow spread of COVID-19. 

Masks Work. Really. We'll Show You How. (New York Times, October 30, 2020)

Masks Make a Difference Fact Sheet in English (Nevada County Public Health  
Masks Make a Difference Fact Sheet in Spanish (Nevada County Public Health)
Guidance from CDPH for the use of face coverings

Can Masks Save Us From More Lockdowns? Here's What The Science Says (From NPR, July 23, 2020)