D.C. Mun. Regs. tit. 5-E, § 1656
1656.1 For certification as a psychometrist, the following shall be required:
(a) A master's degree with a major in psychology, sociology, or education from an accredited institution;
(b) A minimum of twelve (12) semester credits with at least one from each of the following areas:
(1) Educational sociology;
(2) Educational or psychological statistics;
(3) Psychological or individual testing; and
(4) Tests and measurements, or the testing assessment of pupil learning characteristics;
(c) A minimum of six (6) graduate semester hours in individual or group assessment; and
(d) A minimum of three (3) graduate semester hours in any of the following:
(1) Diagnosis and evaluation;
(2) Curriculum development; or
(3) Instructional supervision; school administration.
SOURCE: Final Rulemaking published at 28 DCR 3201 (July 17, 1981); as amended by Final Rulemaking published at 33 DCR 6542 (October 24, 1986); and by Final Rulemaking published at 40 DCR 6893, 6934-35 (October 1, 1993).