In spring 1986, new citywide testing programs in both reading and mathematics were implemented by the New York City Board of Education. In those cases where the test had changed, it was necessary to statistically equate the new tests to the old tests, so that comparisons of equated rather than actual scores could be made during the transitional year. Tables show the battery of reading and mathematics tests administered in spring 1985 and spring 1986, for grades 2-12. In reading, tables were constructed for grades 3-11 by the equipercentile method to equate scores on the California Achievement Tests, the Degrees of Reading Power Test, and the Comprehensive Tests of Basic Skills (the latter for grade 10 only). Time of test administration determined which served as pretest or posttest. In mathematics, the equipercentile method was applied at grade 9 to equate the New York State Regents Competency Test to the New York City Mathematics Test (NYCMT). For grades 3-8, tables equating the NYCMT and the Metropolitan Achievement Test were generated by the Rasch model from 1985 pilot data sampling nine elementary and eight junior high schools. (Equipercentile and cross-grade comparisons are also shown.) All equating tables are provided in the appendices. (LPG)