The study examined Structural Equation Modeling of teacher’s motivation and adherence to test‑construction principles as determinants of Test Construction Competence of Public Secondary School Teachers in Cross River State, Nigeria. The research design used for this study was Ex-Post Facto design. The area of the study was Cross River State. The population of the study consist of 4183 public secondary school teachers. The stratified sampling technique was used to select the sample. The sample of this study was 1095 public secondary school teachers. The instrument used for collecting data was questionnaire. Data analysis and modeling of the variables was carried out using SPSS AMOS version 24. at 0.50 and above level of significant. The hypotheses tested using structural equation modeling and the results reveals that all the hypotheses were significant. Hypothesis one revealed that Motivation significantly influence test constructions competence of public secondary school teachers. Hypothesis two revealed that Adherence to test‑construction principles significantly influence test construction competence of public secondary school teachers. Based on the conclusion, it recommended among others that, Government and principals of Schools should always encourage their teachers by retraining them on test construction and giving them incentive to motivate them in discharging their duties. Public secondary school teachers should also be encouraged to have empathy on their students.