The purpose of the study was to assess the spiritual maturity among the members of Redeemed Gospel Church in Kangundo District. The study adopted descriptive survey design which used the cross-sectional approach to data collection. The study sampled 945 participants selected using systematic random sampling and questionnaires were consequently distributed to all participants. Overall, 538 questionnaires were returned and analyzed using SSPS. t– tests were performed for independent variables. The study findings revealed that the respondents were spiritually mature (average of 60.8%) for all the subscales of the Spiritual Assessment Inventory (SAI) as indicated by Awareness of God Scale (62.5%), Impression Management Scale (47.1%), Grandiosity Scale (59.7%), Instability Scale (58.6%), Disappointment with God Scale (67.4%) and Realistic Acceptance Scale (69.3%). The respondents got low scores in most of the items in all the subscales which was an indication of spiritual maturity, an evidence of spiritual transformation. The study recommended that the church should therefore emphasize in its teaching ministry as education was found to be core in spiritual transformation, hence spiritual maturity.
Keywords: Christian, Discipleship, Education, Learning, Spiritual Maturity, Transformation