Where is howard county public school system located? Howard County Public School System 10910 Clarksville Pike (Route 108) Ellicott City, MD 21042 Phone: 410-313-6600What is the address for howard high school? Address: 6535 South Trotter Road, Clarksville, MD 21029 Blue Ribbon School Healthy Howard School Address: 10320 Quarterstaff Road, Columbia, MD 21044 Address: 6700 Cradlerock Way, Columbia, MD 21045 Address: 4691 Ten Oaks Road, Dayton, MD 21036 All Students TransportedDoes the howard county public school system participate in e verify? The Howard County Public School System participates in E-Verify. View additional information on E-Verify and visit the E-Verify website. For more events and HR-related news, stay up to date with HCPSS HR ( @hcpss_HR) on Twitter The Howard County Public School System is among the high-achieving education systems in the state and nation.How do i contact hcpss staff help? Additional questions may be directed to your school or emailed to [email protected]. The HCPSS Staff Help site can be accessed at https://staff-help.hcpss.org/.