This study ascertained counsellors' perception on the adoption of E-counselling for students' support during COVID-19 pandemic in Secondary schools, adopting a descriptive survey method. The population of study was counsellors in secondary schools in Lagos state, using purposive sampling in selecting 90 of them for the study. The instrument for data collection was a 29-item 4-point Likert scale questionnaire titled Counsellors' Perception on Adoption of E-counselling (CPAEC). The split half method was used to determine the stability of the instrument yielding 0.82. Data collected were analyzed using both descriptive and inferential statistics. The findings of the study revealed that counsellors are computer literate, capable and willing to adopt e-counselling. The test of first hypotheses yielded a t-test value of (3.65) which was higher than the (t-crit of 1.99), this shows that the perceived ease of use significantly affects adoption of e-counselling among counsellors. The test of hypothesis two yielded t-test value of (-0.67) which was less than (t- crit of 1.99). Hence, the hypothesis which states that counsellors' perceived usefulness of e-counselling will not significantly affect adoption of e-counselling mode among counsellors in Lagos state was upheld. From the findings of the study, one of the recommendations was training on e-counselling use should be organized for counsellors.