The main objectives of this research are : 1) to study The Effectiveness On Management Of The ReligiousStudies Of Sangha Administrators In Chaibadan Distric, Lopburi Province, 2) to compare the of Sangha Administrators on Effectiveness On Management Of The ReligiousStudies Of Sangha Administrators In Chaibadan Distric, Lopburi Province, classified by personal factors, and 3) to study problem and suggestion to the Effectiveness On Management Of The ReligiousStudies Of Sangha Administrators In Chaibadan Distric, Lopburi Province. This study was a quantitative research. The sample of this study consisted of 127 Sangha administrators in Mahanikaya sect in Sriprachan District, Lopburi Province, being selected by random sampling technique. The research instruments was opened and closed questionnaire. The collected data were analyzed by statistical tools such as  frequency, percentage, mean, standard deviation. Hypotheses were tested with t-test for two-valued variables and F-test or One-Way ANOVA for more than 3 valued variables. In case of differentiation being found, it was compared by Least Significant Difference (LSD).

The Findings of the study are concluded as follows:

     1. The overall opinions towards the Effectiveness On Management Of The ReligiousStudies Of Sangha Administrators In Chaibadan Distric, Lopburi Province is found at the high level with the average value equal to 3.95. When considered into each aspect, it is noted at the high levels in all aspects with the mean scores ranging from the most to the least as follows:  Building, Program Manager and Disc Jockey (3.80, 3.94 and 3.99), respectively.

              2. The over opinions on the Effectiveness On Management Of The ReligiousStudies Of Sangha Administrators In Chaibadan Distric, Lopburi Province  were found at the high level with average mean equal to 3.95, when considering into each aspect, it was noted at the The Effectiveness On Management Of The ReligiousStudies Of Sangha Administrators In Chaibadan Distric, Lopburi Province high levels in all aspects by high scores.

     3. The results of comparison about the opinion to the Effectiveness On Management Of The ReligiousStudies Of Sangha Administrators In Chaibadan Distric, Lopburi Province, classified by personal factors, reveal that age, years of ordination, level of general education, level of Dhamma studies have no significant differences, thus rejecting the set hypotheses. While level of Pali studies has significant difference at 0.05 level of confidence, therefore accepting the formulated hypothesis.

     4. Problems concerned with the Effectiveness On Management Of The ReligiousStudies Of Sangha Administrators In Chaibadan Distric, Lopburi Province , indicated that

              For suggestions on development of  the Effectiveness On Management Of The ReligiousStudies Of Sangha Administrators In Chaibadan Distric, Lopburi Province, it was found that