 The mechanism for supporting Gaelic through the Education Codes issued by the Scottish Education Department were steadily used to overcome this omission, with many concessions in place by 1918.However, the members of Highland school boards tended to have anti-Gaelic attitudes and served as an obstacle to Gaelic education in the late 19th and early 20th century.The Linguistic Survey of Scotland surveyed both the dialect of the Scottish Gaelic language, and also mixed use of English and Gaelic across the Highlands and Islands.