Twin Oaks Elementary (Data source)
Source data for Twin Oaks 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 | 2341302 | 2409 | - | 2436 | = | -27 | * | (97 | / | 322) | = | -8.13354037 | ||
| 4 | 2341304 | 2467 | - | 2485 | = | -18 | * | (105 | / | 322) | = | -5.86956521 | ||
| 5 | 2341306 | 2504 | - | 2528 | = | -24 | * | (120 | / | 322) | = | -8.94409937 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Twin Oaks Elementary | -23 | ||||||||||||
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 | 71548 | 2419 | - | 2436 | = | -17 | * | (95 | / | 298) | = | -5.41946308 | ||
| 4 | 71549 | 2467 | - | 2485 | = | -18 | * | (98 | / | 298) | = | -5.91946308 | ||
| 5 | 71552 | 2513 | - | 2528 | = | -15 | * | (105 | / | 298) | = | -5.2852349 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Twin Oaks Elementary | -17 | ||||||||||||
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 | 73441 | 2415 | - | 2436 | = | -21 | * | (98 | / | 293) | = | -7.02389077 | ||
| 4 | 73442 | 2465 | - | 2485 | = | -20 | * | (100 | / | 293) | = | -6.82593856 | ||
| 5 | 73444 | 2504 | - | 2528 | = | -24 | * | (95 | / | 293) | = | -7.78156994 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Twin Oaks Elementary | -22 | ||||||||||||
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 | 73580 | 2420 | - | 2436 | = | -16 | * | (106 | / | 300) | = | -5.65333333 | ||
| 4 | 73581 | 2461 | - | 2485 | = | -24 | * | (93 | / | 300) | = | -7.44 | ||
| 5 | 73584 | 2494 | - | 2528 | = | -34 | * | (101 | / | 300) | = | -11.44666664 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Twin Oaks Elementary | -25 | ||||||||||||
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 | 74041 | 2427 | - | 2436 | = | -9 | * | (97 | / | 296) | = | -2.94932432 | ||
| 4 | 74042 | 2460 | - | 2485 | = | -25 | * | (102 | / | 296) | = | -8.61486485 | ||
| 5 | 74043 | 2511 | - | 2528 | = | -17 | * | (97 | / | 296) | = | -5.57094593 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Twin Oaks Elementary | -17 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -23 | -17 | -22 | -25 | -17 | -104.0 | -20.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -11.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -29.8
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 | 54% | 51% | 56% | 56% | 50% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Marcos Unified school district | County of San Diego
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.
Twin Oaks Elementary math proficiency
Zero+ meets standard.
44% less $meal
44% less $meal
47% less $meal
49% less $meal
42% 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.