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1955
Bal Mandir starts with 10 children on its roll
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1958
Foundation stone laid for a four storeyed school building
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1960
Primary school recognised by the Education Department
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1961
Technical subject introduced for higher classes
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1962
High school building completed
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1964
English introduced as an additional medium of instruction.
1st Annual Athletic Meet.
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1967
First batch of SSC students leave school (7 students appeared , 100% result).
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1968
New pre – primary school building constructed
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1971
New pre – primary school building erected
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1978
First issue of the School magazine named ‘Uday’ is released
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1979
More than 1100 SSC students go through the portals of Udayachal
Foundation- stone laid for Auditorium
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1980
Udayachal celebrates its silver jubilee
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1981
Udayachal Merit Awards, Vidyarthi Sahaye Nidhi Scholarships, Udayachal Scholarships announced.
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1983
Manuscript Magazine released(5)
English, Hindi, Gujarati, Marathi(2)
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1983
Manuscript Magazine released(5)
English, Hindi, Gujarati, Marathi(2)
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2003
Silver jubilee issue of Uday
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2005
UHS Golden jubilee. President APJ Abdul Kalam and Magsaysay awardee IPS officer Kiran Bedi visits the school
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2008
Udayachal initiates international exchange programme, where teachers visit the partner school at U.K. and vice versa. ( Sustained Programme)
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2011
Udayachal joins the Seeds of Peace venture , where qualifying students attend an International Peace Camp at Maine, U.S.A. ( Sustained Programme)
Choir concert of all the three schools in the amphitheatre
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2012
Udayachal High School wins the International School Accreditation award from The British Council for the first time. ( Sustained Programme)
Green Buddies, our nature club was inaugurated
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2013
Udayachal Primary School wins the International School Accreditation award from The British Council for the first time.
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2014
School Business Enterprise Challenge undertaken
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2015
Udayachal High School wins the International School Accreditation award from The British Council for the second time for a period of three years. ( Sustained Programme).
Udayachal High School wins the ‘Platinum’ Green School Building Award.
IGBC Green Schools Platinum rating received in November 2015.