| 1921 Oct 20 | The proposal to create ‘Sarvajana Vidhyasala’ was conceptualized on this Deepavali day. |
| 1922 May 1 | The Foundation Stone of Peelamedu Sarvajana Vidhyasala, was laid by His Excellency Honorable Rao Bahadur Shri.A.P.Pathro, MLC, the then Educational Development Minister of our Madras Presidency (Later renamed as Madras State and then as Tamil Nadu). |
| 1924 June 4 | The school started functioning. It was inaugurated by Venkataramana Iyengar, Member of the Legislative Council, Madras. |
| 1924 | Inauguration of school hostel. |
| 1924 June | PSG Rangaswamy Naidu took charge as the Correspondent (now called Secretary) of the school. |
| 1924 June 4 | V.Ramachandra Iyer was appointed as the first Headmaster of Sarvajana High School. |
| 1925 Dec 16 | E.V.Ramasamy (Periyar) visited the school. |
| 1926 | R.Srinivasa Iyengar took charge as the Headmaster of the school. |
| 1926 Jan 25 | PSG & Sons’ Charities Trust was founded. |
| 1926 Sep | Rabindranath Tagore addressed the students and sang ‘Jana Gana Mana’ in the School Assembly. It was the school song thereafter till it became the National Anthem of our country on 24th January 1950. Students of Sarvajana Vidhyasala contributed Rs.34.34 (equal to 6 sovereigns of gold then) to Rabindranath Tagore in the school assembly addressed by him towards ‘Santiniketan‘(now called Visva -Bharati University). |
| 1927 April | The first batch of SSLC students passed out. |
| 1927 Oct 20 | Mahadeva Desai, the personal secretary of Mahatma Gandhi, visited the school. |
| 1928 July 15 | Chief Minister of Madras Presidency Dr.P.Subbarayan visited the school. |
| 1929 Feb 14 | Rajagopalachari (Rajaji), Jamnalal Bajaj (Industrialist) and S. Ramanathan (Founder of Self – Respect Movement) visited the school and addressed the students on the Swadeshi Movement and promoted Khadhi. |
| 1929 May 5 | Pandit Madhan Mohan Malavia, Freedom fighter and Educational reformer, visited the school. |
| 1929 June | The school was the first in the State to haveTamil (regional language) as the medium of instruction to teach Science which was praised by Dr. Annie Besant in the magazine “New India”. |
| 1934 Feb. 6 | Mahatma Gandhi visited PSG Industrial Institute. |
| 1934 Oct 13 | Chief Minister of Madras Presidency, Poppili Arasar visited the school. |
| 1935 Feb 16 | A.T.Pannir Selvam, Finance Minister of Madras Presidency, visited the school. |
| 1935 Sep 6 | Nobel laureate, Sir C.V. Raman, visited the school. |
| 1938 Aug.4 | V.V.Giri, (the former President of India) visited the school. |
| 1939 June | The school was the first in the state to implement Tamil as the Medium of instruction for all the subjects in accordance with the directive of the State Government. |
| 1946 Jan 21 | Mahatma Gandhi appreciated the name “SARVA JANA” and commended stating “Sarvajana Sukhino Bhavantu”. |
| 1947 Apr 13 | T.K. Avinashilingam Chettiyar (Fondly called Ayya), Former Education Minister, visited the school. |
| 1947 Dec 5 | Namakkal Kavignar (a great poet) V.Ramalingam visited the school. |
| 1947 | ‘Tamilkadal’ (a great Tamil poet) His Holiness Maraimalai Adigal visited the school. Mr. G.D.Naidu (an innovative industrialist cum scientist) recorded his speech and surprised him. |
| 1947 | PSG Ganga Naidu took charge as the Managing Trustee. |
| 1948 June 7 | The school was the first in the State to implement Vocational Education. Engineering section was started at the school level. |
| 1948 Aug. 4 | Sir C.P. Ramasamy Iyer, Diwan of Travancore, visited the school. |
| 1949 | G.R.Govindarajulu took charge as the Managing Trustee. |
| 1950 | S.Venkataramananan took charge as the Headmaster of the school. |
| 1951 Nov .23 | Visit of Kaviyogi Suddhananda Bharathiar (a great poet). |
| 1952 | Secretarial practice was started. |
| 1952 May 26 | Memorial building of PSG Rangaswamy Naidu was inaugurated by Rajaji, former Chief Minister of Madras State. |
| 1955 Nov 29 | Bifurcated courses were introduced. |
| 1960 Aug .10 | His Excellency Dr. Rajendra Prasad, the first President of India, visited the school. |
| 1963 July 14 | His Excellency Zakir Husain Khan, Vice President of India, visited the school. |
| 1964 | K.V.Narayanasamy took charge as the Headmaster of the school. |
| 1966 | S.S.Rajagopalan took charge as the Headmaster of the school. |
| 1970 | The school implemented the scheme, ‘Employment with Education’. |
| 1971 | C.Swaminathan (alumnus & former teacher) was selected for Tamilnadu State Football Team and emerged as a winner in the ‘Santhosh Trophy’ Finals. |
| 1972 Jan 26 | Dr.G.R.Damodaran took charge as the Managing Trustee. |
| 1973 | Indira Gandhi, Former Prime Minister, appreciated the name and motto of the school at the National Level Science Exhibition held in Delhi. |
| 1974 Oct 19 | His Holiness Sachidananda Swamigal (Alumnus) visited the school. |
| 1974 Dec 7-14 | His Excellency K.K.Shah, Governor of Tamil Nadu, presided over the Diamond Jubilee function of our school. |
| 1975 | S.S.Rajagopalan, Headmaster of the School, became the first Secretary of PSG Schools. (1. Sarvajana High School, 2. Primary School, Vedapatti, 3.Primary School, Peelamedu). |
| 1976 Aug 4 | Thirumuruga Kirupanandha Variyar, Spiritual preacher, visited the school. |
| 1977 | S.S. Rajagopalan, Headmaster cum Secretary, was conferred with the ‘Best Teacher Award’ by the State Government. |
| 1978 | Vocational courses were introduced at the Higher Secondary Level (10+2). The following courses are introduced and had the distinction of preparing syllabus by itself for the courses Textile technology, Foundry technology, Computer programming and Electrical machines. |
| 1978 Oct 3 | G.Varadaraj took charge as the Managing Trustee. |
| 1979 | Sarvajana High School was upgraded as Sarvajana Higher Secondary School. |
| 1979 | The school received “Best Vocational Education” award from Dr. M.G.Ramachandran, the then Chief Minister of Tamil Nadu |
| 1979 Nov | M.G.Ramachandran, Former Chief Minister of Tamil Nadu and C.Aranganayagam former Educational Minister, visited the School Exhibition organized on the occasion of the 6th State Level Science Conference. |
| 1981 Sep | S.S.Rajagopalan, Headmaster cum Secretary, was conferred with the ‘National Best Teacher Award’ by the Central Government. |
| 1982 Feb 7 | Inauguration of the three-storyed building in remembrance of PSG Venkataswamy Naidu by Her Excellency Jothi Venkatachalam, Governor of Kerala. |
| 1985 Aug | Teacher training classes started in the school for Girl Students. Received appreciation from NCERT as the Best School in this regard. |
| 1989 Nov 16 | G.R.Karthikeyan took charge as the Managing Trustee. |
| 1989 | A.Ramasamy took charge as the Headmaster of the school. |
| 1990 | Basket ball court was inaugurated by Dr.S.S.Rajagopalan, the Secretary of PSG Schools. |
| 1991 Nov 16 | A.Muthukrishnan took charge as the Secretary of the School. |
| 1992 June | Unaided English Medium section was started at the High School level. |
| 1993 | V.Thangavelu took charge as the Headmaster of the School. |
| 1995 June | PSG Manavar Illam to educationally uplift students, who had lost either or both parents hailing from economically weaker sections of the society from STD VI till their graduation was started by the Managing Trustee, G.R. Karthikeyan with 33 residents. All the expenses of PSG Manavar Illam are borne by PSG & Sons’ Charities. |
| 2000 | V.Rajan took charge as the Managing Trustee. |
| 2001 | K.Kuppusamy, Physical Education Teacher won the gold medal in 4X100 mts. relay, bronze in 100mts. race in the 11th Asian Level Athletic Championship. |
| 2002 | R.Nandakumar took charge as the Secretary of the school. |
| 2002 Jan 24 | Bharat Ratna Dr.A.P.J.Abdul Kalam, Former President of India, inaugurated the Laboratory and Library complex on the occasion of the Platinum Jubilee of the school. |
| 2002 July 16 | The prestigious prefix PSG was added to the school name as PSG Sarvajana Higher Secondary School. |
| 2003 | S.Ranganathan took charge as the Secretary of the school. |
| 2004 July 10 | His Excellency P.S.Ramamohan Rao, Former Governor of Tamilnadu, inaugurated the 80th year celebration (Pearl Jubilee) Memorial Block. |
| 2006 | G.Rangasamy took charge as the Managing Trustee. |
| 2006 June 1 | A.Balakrishnan took charge as the Headmaster of the School. |
| 2006 June 30 | N.C.Nandagopalan took charge as the Secretary of PSG Schools. |
| 2006 | Unaided English medium section was extended with another section (class) at high school level. |
| 2006 | PSG Manavar Illam new building was constructed. |
| 2007 | State Level Science Exhibition was conducted. |
| 2008 Aug 20 | Inauguration of Auditorium atop Laboratory and Library Complex. |
| 2008 Dec 5 | Padmashree Dr.Mayilsamy Annadurai, Project Director of Chandrayaan I, visited the school, and had an interactive session with the students. |
| 2011 | L.Gopalakrishnan took charge as the Managing Trustee. |
| 2011 | R.Rajeswari took charge as the first Headmistress of the school. |
| 2011 May 11 | Alumni Association was formed. |
| 2012 July 2 | Free breakfast scheme for needy students of the school was inaugurated by the Managing Trustee, L.Gopalakrishnan. |
| 2012 Oct 13 | The school was awarded ‘Eco Award’ for green campus by Nature Conservation Society (NCS), Coimbatore. |
| 2013 July 16 | His Holiness Maruthachala Adigalar of Perur Aadhinam, visited the school. |
| 2013 Aug | A new Basketball court was inaugurated by K.K.chansoria, the chief National coach of Basketball federation of India. |
| 2013 Nov 9 | The School was conferred with the ‘School Brilliance Award’ by Edu Pro India 2020 & IBCI, for ‘Best Infrastructure & Resources’. |
| 2014 | Received the ‘School Brilliance Award’ for ‘Vision and Leadership’. |
| 2014 July 8 | Padmashree Dr.Baldev Raj, Director of Indira Gandhi Centre for Atomic Research (IGCAR), visited the school. |
| 2015 | R.Ravi took charge as the Headmaster of the school. |
| 2015 | J.Elakkiya, student of the school won the 3rd place in shotput in South zone National Athletics Championship. |
| 2016 Jan 22 | Padma Bhushan A.R.Rahman, Oscar Awardee, sang ‘Vande Mataram’ in unison with the students. |
| 2016 | N.Sasikumar took charge as the Headmaster of the school. |
| 2017 | G.Sanjay Prasath, student of the school created awareness on harmful effects of Plastic through cycle rally. (510 km journey from Coimbatore to Chennai). |
| 2018 | P.Narayanasamy took charge as the Secretary of the School. |
| 2018 | A commerce stream was started in the Self-finance section at Higher secondary level. |
| 2019 | English Medium was started in the Aided sections of Standards VI to VIII. |
| 2019 | T.Sanjay , student of the school received a cash award of Rs.1 lakh for his outstanding performance in the National Level Basketball Tournament. |
| 2019 June 29 | District Level Hockey Tournament for PSG Trophy was inaugurated by P.Narayanasamy, the Secretary of the school. |
| 2019 Dec | P.Jayachandran, Physical Director of the school served as a coach for Tamilnadu Basketball team for girls. He also served as a referee in National Level Basketball Tournaments. |
| 2020 March 13 | An additional building of Manavar Illam with four floors was inaugurated to accommodate more residents (present strength is 150). |