They say they will not return to work unless the government addresses the key issues of poor pay and changes their contracts to make them permanent and pensionable.
The teachers have now given TSC a seven-day ultimatum to address their grievances, failure to which, they will not report back to schools for the second term.
TSC has proposed setting a mean grade of C (plain) in the KCSE exam as the minimum requirement for enrollment in a diploma course in teaching.
Auditor General revealed that TSC had excess expenditure of budgets and unexplained decrease in employer contribution to the NSSF and staff pensions.