This study investigated Relationship between Psycho-Social Variables and Marital Adjustment among Married women in Federal College of Education Zaria, Nigeria. The study had four objectives, four research questions and four null hypotheses. The population was twenty thousand and forty five (2,045) married women and the study sample consisted of three hundred and twenty two respondents (322) was derived from Krejice and Morgan‟s sample size distribution table. Two instruments was adapted Marital Adjustment Questionnaire (MAQ) and Marital Adjustment Test (MAT) which was tested and certified to be reliable at probability of 0.704 coefficients. The research design used was survey research design. Both descriptive and inferential statistical methods were used for the data analyses of this study. All four null hypotheses were tested at 0.05 alpha level of significant using Pearson‟s Product Moment Correlation (PPMC). Findings revealed that significant negative relationship existed between in-laws‟ interference and marital adjustment among married women in Federal College of Education, Zaria, Nigeria (r = -0.203), significant negative relationship existed between suspicion and marital adjustment among married women in Federal College of Education, Zaria, Nigeria (r = -0.332), significant positive relationship existed between communication and marital adjustment among married women in Federal College of Education, Zaria Nigeria (r = 0.152), significant positive relationship existed between love and marital adjustment among married women in Federal College of Education, Zaria, Nigeria (r = 0.158). On the basis of these findings it was recommended that Married women in Federal College of Education Zaria, Nigeria needs help of school Counsellors to educate them on how to develop positive relationship with their in-laws so as to enhance better marital adjustment. For example, if the women orientation towards their in-laws could be change positively it will boost their marital adjustment higher according to the result of this finding. it will boosts their marital adjustment higher among others.