Teaching content is necessary to adopt the local wisdom. The objectives of the research are to develop a model of domestic intelligence named BETANG (Traditional Dayak longhouse) portfolio-based teaching to elevate the student's learning outcome using Borg & Gall model. The results showed that (1) the development of a model of BETANG portfolio-based teaching had produced a valid portfolio document consisting of Course Outline, Student Worksheet, Evaluation, and Scoring Format; (2) the developed model has created a useful result as shown in (a) significant improvement in student's cognitive aspect, (b) although there is no significant different result in the student's performance skill, the implementation of assessment provides a support to the whole evaluation; (c) a high category of student's self-help, (d) top category of the portfolio ranged between 78.6 - 93.6; (3) student's positive responses towards the model of BETANG portfolio-based teaching.