Please translate the given English sentence to Hindi
मुख्यमंत्री ने लगभग एक दर्जन उच्च पाठशालाओं नारायणगढ़, सुद्राणी, संगलवाड़ा, बंदल को वरिष्ठ माध्यमिक पाठशाला तथा राजकीय प्राथमिक पाठशाला धनदेली, मजाखल, पलाहीधार, चूलाथाच तथा थाचबहाली को माध्यमिक पाठशाला स्तरोन्नत करने की घोषणा की।
He announced the upgrade of over a dozen schools, including government high schools at Naryangarh, Sudhrani, Sangalwara and Bandel, to senior secondary schools, government primary schools at Dhandeli, Majakhal, Palahidhar, Chulathach and Thachbahali to middle schools, a new primary school at Chhoadhar, government middle school at Murhag to senior secondary school as a special case and middle schools at Dharot, Dhar, Mani, Lambsaffer and Chaplandi to high schools.