The study was aimed at investigating the extent of application of principles of test construction and the implications of poorly constructed tests to the quality of education. ' de~1t~..iption and Chi-square test (x2) .. were used to analy.ze the data. . i; # .. "' ... content validity, the extent of application of test construction principles was minimal. Thus a..:_ mechanism for controlling the quality of the test .... . . should be provided to teachers for refreshment of their test construction knowledge and skill. Abstract - . ;- Results also corrstructed even though. they have. some s.tron~ sides. revealed that all the tests constructed in both preparatory schools were to te'~ construction and have applied thernabut it is contrary to the facts -_observed from the actual tests. This study concluded that the tests lack . "' .. , I ...: , ~ ' . final exams of grade 11, grade ·11 students' text book and syllabus for grade 11 geography selected· through P1;rposive sampling technique. Questionnaire and documents we're use-Cl to gather data, .qualitative t . 1 \ The study was aimed at investigating the extent of application of principles of test construction and the implications of poorly constructed tests to the quality of education. ' de~1t~..iption and Chi-square test (x2) .. were used to analy.ze the data. . i; # .. "' ... content validity, the extent of application of test construction principles was minimal. Thus a..:_ mechanism for controlling the quality of the test .... . . should be provided to teachers for refreshment of their test construction knowledge and skill. Abstract - . ;- ....