Montgomery County has a tradition of taking care of its own that is under attack by poorly designed efforts to limit property taxes and government spending {Metro, Oct. 28}.

Four proposed amendments to the county charter are on the November ballot. Each seeks either to cut local tax revenue or restrict expenditure of local money on construction projects eligible for state funding. Supporters of the amendments claim property taxes are unfair and local government needs greater efficiency forced upon it by restricting funds through a cap on property tax revenue.

But opponents of the charter amendments, and they include every member of the county board of education, see the amendments as an attack on the very thing that makes our county a nice place to live. We take great comfort in the county's collective response to the needs of our residents through a local government that provides excellent resources. Public safety, health care, social services, environmental protection and especially education are good examples of how our county takes care of our social well-being.

This social responsibility would be undermined by the charter amendments. Question F would limit property tax increases to the rate of inflation unless seven of nine county council members agree to exceed the limit. Question G would forbid the council from setting a property tax rate that exceeds the 1988 level. Question H would forbid the council from forward-funding school and road construction projects that are eligible for state funds. And Question I would limit property tax increases too, but to three-fourths of the previous year's inflation rate, with the provision of an override with a super majority of the council; it also would cap at 37 percent the portion of the budget funded by property tax revenue.

Questions F and I would undermine the county's ability to improve, expand or even adjust services beyond the impact of inflation. Question H would just about eliminate all except minimal local funding for highway and school improvements, renovation and new construction. Question G would tie future taxes to the past without consideration of future needs.

Question F alone would cut school funding by $35 million to $50 million in the first year unless as yet unidentified sources of tax revenue are found, according to a conservative estimate by the school system.

The county government already predicts a revenue shortfall of $41 million to $68 million this year. Next year, a shortfall for the same level of services is projected to be $120 million to $145 million. Cutbacks are going to occur even without the amendments.

For public schools, a rapidly increasing enrollment is pushing the cost of education well beyond the impact of inflation on the consumer price index. This year's enrollment of 103,773 students is 3,500 students higher than last year's. Next year's enrollment is expected to grow another 4,150 students. By 1996, the enrollment is expected to reach 131,000 students. All these children already live in Montgomery County.

These children belong to families who came to Montgomery County because of its well-deserved reputation as a community that cares for its residents and asks all families to contribute to the common good. This is a tradition worth protecting, not amending. ROBERT E. SHOENBERG President, Montgomery County Board of Education Rockville