Enrollment in the Dublin City School District has grown by 2,700 students over the last 10 years and is projected to add 3,000 more students in the next decade, according to Superintendent Todd Hoadley.
Enrollment is now in the mid-16,000s, and Hoadley said the district easily could hit 20,000 within 10 years.
District officials are looking to taxpayers to help provide funding to address the growth.
On Nov. 8, voters will determine the fate of a combination $195 million bond issue, a 2-mill permanent-improvements levy and a 5.9-mill operating levy.
Passage of the issue would increase district property owners school taxes by $207 annually per $100,000 of valuation, said Brian Kern, Dublin City Schools treasurer.
The funding request package would be an increase, but the bond issue and improvements are what often are termed "no-new millage" issues, said Kern, because they would go on the tax duplicate at the same time equivalent millage would roll off the duplicate.
The district would use the funding to pay for more than $115 million in facilities, including two elementary schools, a middle school and high school additions.
An elementary school and middle school would be located in Jerome Village, while a second elementary school would be built on Bright Road.
The improvements levy would fund an estimated $95.08 million in building infrastructure needs.
By category, heating, ventilation and air-conditioning upgrades would be the highest cost for renovations at a little less than $21.7 million.
By building, Dublin Coffman -- the district's oldest high school -- would be the highest cost at a little more than $27.2 million.
Crowded conditions are visibly impacting the district's students, Hoadley said.
Eight portable classrooms are in being used at Jerome High School, and four each are at Eli Pinney and Deer Run elementary schools, he said.
This year, Indian Run Elementary School fifth-graders attend some classes at the adjacent Sells Middle School because of a lack of space at their home school, Hoadley said.
And the district has had several situations of 26-student kindergarten classes, he said.
Crowded conditions are especially acute at Jerome and Coffman, Hoadley said.
"We've got kids packed into our cafeterias like sardines," he said.
Within the Jerome attendance boundaries in the western portion of the district, a number of new residences are being built and they will be contributing to enrollment growth, Hoadley said.
While the recession slowed home growth somewhat in 2008 and 2009, residential building is "really, really strong right now," he said.
Hoadley said the turnover of existing homes also has an impact on enrollment, as empty nesters move out and young families move in.