College Park Elementary (Data source)
Source data for College Park Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 2554560 | 2491 | - | 2436 | = | 55 | * | (75 | / | 221) | = | 18.66515833 | ||
| 4 | 2554561 | 2580 | - | 2485 | = | 95 | * | (75 | / | 221) | = | 32.23981893 | ||
| 5 | 2554564 | 2596 | - | 2528 | = | 68 | * | (71 | / | 221) | = | 21.84615382 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for College Park Elementary | 73 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 77849 | 2505 | - | 2436 | = | 69 | * | (69 | / | 235) | = | 20.25957445 | ||
| 4 | 77852 | 2582 | - | 2485 | = | 97 | * | (93 | / | 235) | = | 38.38723396 | ||
| 5 | 77854 | 2631 | - | 2528 | = | 103 | * | (73 | / | 235) | = | 31.99574459 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for College Park Elementary | 91 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 80002 | 2526 | - | 2436 | = | 90 | * | (60 | / | 225) | = | 23.99999994 | ||
| 4 | 80005 | 2574 | - | 2485 | = | 89 | * | (77 | / | 225) | = | 30.45777776 | ||
| 5 | 80007 | 2626 | - | 2528 | = | 98 | * | (88 | / | 225) | = | 38.32888888 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for College Park Elementary | 93 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 80151 | 2512 | - | 2436 | = | 76 | * | (66 | / | 220) | = | 22.8 | ||
| 4 | 80154 | 2589 | - | 2485 | = | 104 | * | (80 | / | 220) | = | 37.81818175 | ||
| 5 | 80155 | 2625 | - | 2528 | = | 97 | * | (74 | / | 220) | = | 32.62727269 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for College Park Elementary | 93 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 80645 | 2524 | - | 2436 | = | 88 | * | (72 | / | 228) | = | 27.78947362 | ||
| 4 | 80646 | 2572 | - | 2485 | = | 87 | * | (80 | / | 228) | = | 30.5263157 | ||
| 5 | 80647 | 2639 | - | 2528 | = | 111 | * | (76 | / | 228) | = | 36.99999996 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for College Park Elementary | 95 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 73 | 91 | 93 | 93 | 95 | 445.0 | 89.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 116.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 62.0
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 11% | 7% | 6% | 6% | 6% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Mateo-Foster City school district | County of San Mateo
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
College Park Elementary math proficiency
Zero+ meets standard.
9% less $meal
6% less $meal
6% less $meal
6% less $meal
6% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.