Why choose ocsi? WHY CHOOSE OCSI? OCSI is jointly accredited by the Association of Christian Schools International (ACSI) and the Western Association of Schools and Colleges (WASC). This joint accreditation: Affirms that OCSI meets the standards of quality established by the international school community.How do i contact ocs for security systems support? For security systems sales enquiries, please call 0300 303 4461. For security systems support, call our helpdesk on 0844 880 7701. I'm interested in services from OCS I’m an existing OCS customerWho is ococsi regulated by? OCSI is regulated as a business development company under the Investment Company Act of 1940, as amended, and is managed by Oaktree Fund Advisors, LLC, an affiliate of Oaktree Capital Management, L.P.Is ocsi accredited by acsi? OCSI is jointly accredited by the Association of Christian Schools International (ACSI) and the Western Association of Schools and Colleges (WASC). This joint accreditation: Affirms that OCSI meets the standards of quality established by the international school community. Provides validation of OCSI’s credibility.