The Current research aims to identify cognitive sharing in high school teachers، and for this purpose, the researcher reviewed several previous studies and some theories related to the research topic. The researcher adopted a scale of cognitive sharing and presented his paragraphs to a group of arbitrators specializing in educational and psychological sciences and psychometrics. Alternatives to the scale were graded to the answer, namely three alternatives. (applies to me, applies to me sometimes, never applies to me) The correction switch (1,2,3) respectively and all the paragraphs towards the scale and there are no reversing paragraphs, as the scale is from (17) Paragraph divided into six areas (mutual communication, mutual understanding, mutual trust, mutual effect, mutual commitment, mutual conflict) The measure was applied to a sample of 301 teachers and a secondary school in Babylon. (111) Males and (190) females selected by the random caste method of proportionate distribution from the native society and after statistical analysis of the data using the statistical package of social sciences (spss)) The following result was: high school teachers have a good degree of cognitive sharing.