9 accredited schools across the Seattle metro area trained 186 dental assistants in 2023–24. Here’s how they compare on cost, length and size, plus what the job pays locally.
Updated October 2026 · Data: IPEDS 2023–24, BLS May 2025
Sorted by number of 2023–24 graduates (IPEDS), a proxy for program size and stability.
54 Dental Assistant credentials awarded in 2023–24 at this private for-profit career school, the most in the state. Published tuition and fees plus books and supplies come to $19,900 for a program of about 9 months.
Private for-profit two-year college in Renton that reported 33 Dental Assistant graduates in 2023–24, the 2nd-most in the state. Published tuition and fees plus books and supplies come to $18,728 for a program of about 8 months.
27 Dental Assistant credentials awarded in 2023–24 at this public four-year institution, the 4th-most in the state. Annual in-district tuition (before fees): $4,458 ($4,947 out of state).
This public four-year institution in King County graduated 25 Dental Assistant students in 2023–24. Annual in-district tuition (before fees): $4,673 ($5,207 out of state).
This private for-profit two-year college in King County graduated 18 Dental Assistant students in 2023–24. Published tuition and fees plus books and supplies come to $18,728 for a program of about 8 months.
Public four-year institution in Lakewood that reported 13 Dental Assistant graduates in 2023–24. Annual in-district tuition (before fees): $5,740.
11 Dental Assistant credentials awarded in 2023–24 at this public four-year institution. Annual in-district tuition (before fees): $4,131 ($10,080 out of state).
3 Dental Assistant credentials awarded in 2023–24 at this public four-year institution. Annual in-district tuition (before fees): $3,195 ($8,548 out of state).
2 Dental Assistant credentials awarded in 2023–24 at this public four-year institution. Annual in-district tuition (before fees): $4,073 ($9,958 out of state).
9 accredited schools in the Seattle-Tacoma-Bellevue, WA metro area graduated 186 Dental Assistant students in 2023–24. The largest was UEI College-Tacoma with 54.
Among schools that published a program price, Pima Medical Institute-Renton in Renton listed the lowest total: $18,728 for tuition, books and supplies.
Dental Assistants in the Seattle-Tacoma-Bellevue, WA metro earn a median $62,040 a year ($29.83/hour), per BLS May 2025 data. That compares with $58,090 statewide and $48,070 nationally.
CODA-accredited certificate programs commonly take about 9 to 11 months; associate degrees take about 2 years.