In the United States, 5 colleges are offering Education / Teaching of the Gifted and Talented certificates or associate's degree programs. The 2024 average tuition & fees of the Education / Teaching of the Gifted and Talented vocational program is $9,991 for state residents and $21,890 for out-of-state students.
You may want to check BS or graduate Education / Teaching of the Gifted and Talented programs at 4-year colleges.