EXECUTIVE SUMMARY Values underpinning teaching profession are vital for education development and standards of teaching in Tanzania and elsewhere. This paper is designed to explain values encompass teaching profession in relation to standards of teaching in Tanzania. In this regard the paper reflects on the objectives that try to give the following; to explore values underpinning teaching profession elsewhere, to explain the purpose of Core values in the development of education, to investigate the professional practices including standards of teaching, knowledge, skills and competences that promote education development. Lastly to describe codes of professional conduct in Tanzania and to mention and discuss some professional conduct that may be applicable to teachers. These values ranges from Education experience such as holistic development, cultural values, social justice, equality and inclusion. Other values relate to relationship that encompasses collegiality, ...