Siauliai vocational training centre is an education institution, which prepares a student for vocational career, establishes effective and modern ways of teaching and learning. Siauliai vocational training centre portal is an excellent implement to accomplish these goals. Nowadays explore is of great importance to reach generally used data and documents at any time and place. In the research there were introduced concepts of a portal, analyzed portal’s methods of estimation, accordance with school and teaching portal were investigated. Moreover, there were analyzed the production of informational system with the means of Lotus Domino Designer R6 and their use in setting up an internet portal. It was described the motion of portal modeling too. Portal is made up for Lotus Notes clients and the users of internet by using Lotus Domino Designer elements ( framesets, outlines, pages, forms, subforms, views, agents, image resources, script libraries, combined with Lotus Script, Lotus formulae, JavaScript, HTML programming languages and Java applets). The portal system comprises database of teachers, students, estimation and announcements, and administrator’s module (database performing systemic function). Access to reading/editing documents is set according to the subordination of school commune hierarchy (administration, teachers, students) and roles in the portal system.