Mount Morris Junior/Senior High School

{{Use mdy dates|date=January 2025}}

{{Infobox school

| name = Mount Morris Junior/Senior High School

| address = 30 Bonadonna Ave

| city = Mount Morris

| state = New York

| zipcode = 14510

| country = United States

| coordinates = {{Coord|42.7129|-77.8745|region:US-NY_type:edu|display=inline,title}}

| type = Public

| district = Mount Morris Central School District

| superintendent = Greg Bump

| principal = Jesse Hamilton

| grades = 7-12

| us_nces_school_id = {{NCES School ID|362001004344|school_name=MOUNT MORRIS MIDDLE/SENIOR HIGH SCHOOL|ref_name=NCES|access_date=December 7, 2024}}

| enrollment = 219 (2022-2023)

| teaching_staff = 31.05 {{FTE}}

| ratio = 7.05

| gender = Co-ed

| campus = Rural: Distant

| mascot = Blue Devils

| colors = Navy Blue and White
{{Color box|navy|border=darkgray}} {{Color box|white|border=darkgray}}

| yearbook = The Heights

| website = {{URL|https://www.mtmorriscsd.org/}}

}}

Mount Morris Junior/Senior High School is a public high school located in Mount Morris, Livingston County, New York, U.S.A., and is the only high school operated by the Mount Morris Central School District.