List experience that relates to the qualifications as required on the job announcement. Briefly mention your current job or educational background.Cover letter explaining your interest in the position. Sample Job Application. A cover letter of 300 words or less, explaining why you are the ideal candidate for the students at Contra Costa College. 2025 Application Instructions. Downloadable Application. Looking for sample applications to get started? Click here to find ready-to-use templates for various teaching positions. Welcome to Contra Costa County's on-line application process!