What is ECSI SAL? What is ECSI SAL? Educational Computer Systems, Inc. (ECSI) Stand-A-Loan (SAL) is an application which manages complex Student Loan Portfolios. It is used by the Dept. of Finance. Document Overview Tags: Administrative Information Services Subjects: Administrative Audience: Everyone Group: ITRC/KMT Last Modified: August 28, 2012 Creative Commons Attribution 3.0 United States License.