This descriptive study aimed at developing and determining the validity and reliability of an English language achievement test in areas of vocabulary, spelling, grammar reading comprehension, and general language skills for sixth graders in the province of Iloilo. The researcher-made test underwent seven phases or stages-- planning the test, preparing the test items, submitting the test for validation, piloting and trying out the test, evaluating the test establishing its reliability, and determining the correlation of Form A and Form B tests. The test items were contextually and integratively presented using sentences, dialogues and selections. Employed for the test piloting and try-out were 150 high school freshmen of three national high schools in Iloilo for Trial 1; 320 sixth graders in Iloilo for Trial 2; and 100 randomly selected sixth-graders in the public schools in the for the final administration of the test. This descriptive study utilized frequency counts to determine the number of students who correctly answered the items and percentages to determine the difficulty levels of the items in the test. The Pearson's r, set st 0.5 alpha level, was employed to determine the significance of the correlation between Form A and Form B of final version of the test. The results showed that the five areas of the test in Form A were significantly and positively correlated with the five areas in Form B. The results revealed that the English language achievement test was valid and reliable.