According to an Emirates expat site (link below) the Saudi government is preparing to sack all native English teachers from state schools.
This is part of the ongoing plan to nationalize teaching jobs.
The government will not extend the job contracts for all foreign English language teachers in the next scholastic year as part of Saudization of teaching jobs in the country the Okaz Arabic language newspaper said quoting education officials. In addition, expat teachers in other areas also risk losing their jobs if their performance is not deemed to be up to scratch.