The study investigated the impact of service provision on effective inclusion of pupils with intellectual disability in Basic School for Special Needs, Durbar, Oyo .The researcher adopted the survey research design where 43 participants were randomly selected (23 academic staff, 10 non-academic staffs and 10 caregivers). Three hypotheses were tested at 0.05 significant while the questionnaire was used to get the response of the participants while t-test was used to test the significant of differences. Results showed that there was a significant difference between the response of academic staff about existing provisions and services and the response of caregivers because the t-calculated value was greater than t-critical values (t-Cal=3.826 > t-Crit =1.960), (P<0.05) and mean difference shows that teachers have higher mean value of 48.64 than caregivers mean value of 46.21. It was observed that teachers have higher mean value of 31.05 than caregivers mean value of 28.34 as t-calculated value was greater than t-critical values (t-Cal=5.930 > t-Crit =1.960), (P<0.05). It is recommended that Government at all levels should ensure full implementation of the earlier passed Disability Bill through adequate funding for service delivery to the special needs persons in Nigeria.