In 1905, de Lissa accompanied Frances Newton on a trip to
Adelaide, at the invitation of
Bertram Hawker, to share their philosophies of early childhood education. The tour led to the formation of the
Kindergarten Union of South Australia on 26 September 1905 at a public meeting. The Union sought to establish Free Kindergartens in the poorer parts of the city. In 1906, de Lissa became the founding director of Adelaide's first free kindergarten, which was established at 214 Franklin Street. She used teaching methods based on the work of
Friedrich Fröbel, a German educator who is considered one of the founders of kindergarten education. The Kindergarten Teachers College was founded in Adelaide in 1907 and de Lissa was appointed its founding Principal. She visited Perth in 1911, and inspired there the formation of the Kindergarten Union of Western Australia. In 1913, de Lissa travelled to Europe to conduct a study tour. She was away from Adelaide for two years. She travelled to Rome to gain a diploma qualification in
Montessori education. de Lissa gave a keynote address at the second Conference of the New Ideals in Education (i.e. Montessori) conference in East Runton near Cromer in 1914. One of the students she inspired with Montessori ideas was
Doris Anne Beeston.
Belle Rennie had organised the first Conference of the New Ideals in Education in 1912 and she was an enthusiast for the Montessori Method. A second Conference of the New Ideals in Education was organised at Runton near Cromer in 1914 and it was agreed that they needed to establish a new training facility where teachers could learn about Montessori's approach. Rennie took the lead on the idea and she persuaded the Board of Education to give accreditation to her new Gipsy Hill College. Rennie needed a new principal for the college and she approached de Lissa who had been a keynote speaker at her Runton conference.
England In 1917 de Lissa left Adelaide for England.
The Mail newspaper reports that she was invited to take up position of Principal of the Montessori Training College in
London. In 1917, she became foundation Principal of the
Gipsy Hill Training College in
Surrey, England, a residential college for nursery school teachers. This led to a role in the formation of the
Nursery School Association of Great Britain and Northern Ireland in 1923. She served as principal of the
Gipsy Hill Teachers College for 29 years. She published several books that were well-regarded including
Life in the Nursery School (1939) and
Life in the Nursery School and in Early Babyhood (1949).
Later travels De Lissa was invited on a lecture tour of the United States for six months in 1943, at the invitation of organisations including
the Child Study Association of America and the
Progressive Education Association. In 1955, de Lissa returned to
Adelaide for the Kindergarten Union of South Australia's Golden Jubilee. ==Death and legacy==