Berkeley County teachers will spend their workday Friday at the Berkeley County Instructional Fair at Cane Bay High School, 1624 State Road, Summerville.

Arvin Ross of the iSchool Initiative will be the keynote speaker.

The event, held every two years, offers more than 300 professional development sessions for educators on topics such as Common Core in language arts, math, science, social studies, technology and fine arts.

The program is designed for and by educators and is coordinated by the district's Teacher Forum.