UNDEPENDABLE • FREE TRANSLATOR.ORG • Definition of Undependable

... had to be eliminated from consideration for our purposes because the cumulative records covered too brief a period of years. In other schools administrative changes had broken the continuity of the records, making them difficult to interpret or undependable for this study. The shortage of clerical help was the reason given in one school for completing only the records of the graduates. In addition to the requirements pertaining to records, only publicly administered and co-educational schools have been included among those whose records ...

— The High School Failures - A Study of the School Records of Pupils Failing in Academic or - Commercial High School Subjects • Francis P. Obrien