Alternative High School

{{Infobox school

| name = Alternative High School

| image = Clinton Ford Centre 5.jpg

| image_size = 300px

| caption =

| pushpin_map = Canada Calgary

| address = 5003 - 20 Street S.W.
(Clinton Ford Centre)

| city = Calgary

| province = Alberta

| postcode =

| country = Canada

| coordinates = {{coord|51|00|33|N|114|06|35|W|region:CA-AB|display=inline,title}}

| schooltype = Public

| founded = 1974 (1975, CBE acquired control)

| schoolboard = Calgary Board of Education

| principal = Tracy Dalton

| grades_label = Grades

| grades = 10-12

| enrollment = 130

| enrollment_as_of = 2023

| grade10 = 50

| grade11 = 45

| grade12 = 35

| area = Area IV, Ward 11

| url = {{URL|http://schools.cbe.ab.ca/b863/}}

}}

Alternative High School (AHS) is a public senior high (secondary) school in Calgary, Alberta, Canada; which teaches grades 10 through 12. AHS is currently located at the Clinton Ford Centre, which was home to the former Clinton Ford Elementary School.

AHS was launched, independent of the board, in September 1974 by a parents group. It reflected many of the "alternative education" ideas that were popular at the time. The early philosophy the school borrowed from the ideas of A. S. Neill, who founded Summerhill School. This involved supporting the freedom of children, and opposing the traditional structure and control of most schools. Although, AHS was never meant to be a copy of Summerhill.

In 1975 AHS came under the control of the Calgary Board of Education (CBE).