Trabuco Mesa Elementary (Data source)
Source data for Trabuco Mesa 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 | 1561699 | 2465 | - | 2436 | = | 29 | * | (84 | / | 345) | = | 7.06086954 | ||
4 | 1561701 | 2518 | - | 2485 | = | 33 | * | (82 | / | 345) | = | 7.84347825 | ||
5 | 1561702 | 2553 | - | 2528 | = | 25 | * | (78 | / | 345) | = | 5.6521739 | ||
6 | 1561705 | 2541 | - | 2552 | = | -11 | * | (101 | / | 345) | = | -3.22028985 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Trabuco Mesa Elementary | 17 |
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 | 48904 | 2487 | - | 2436 | = | 51 | * | (88 | / | 337) | = | 13.3175074 | ||
4 | 48907 | 2509 | - | 2485 | = | 24 | * | (89 | / | 337) | = | 6.33827892 | ||
5 | 48908 | 2563 | - | 2528 | = | 35 | * | (86 | / | 337) | = | 8.93175073 | ||
6 | 48911 | 2573 | - | 2552 | = | 21 | * | (74 | / | 337) | = | 4.61127595 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Trabuco Mesa Elementary | 33 |
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 | 50241 | 2467 | - | 2436 | = | 31 | * | (82 | / | 347) | = | 7.32564841 | ||
4 | 50243 | 2515 | - | 2485 | = | 30 | * | (95 | / | 347) | = | 8.21325648 | ||
5 | 50244 | 2538 | - | 2528 | = | 10 | * | (88 | / | 347) | = | 2.53602305 | ||
6 | 50247 | 2591 | - | 2552 | = | 39 | * | (82 | / | 347) | = | 9.21613832 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Trabuco Mesa Elementary | 27 |
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 | 50264 | 2514 | - | 2436 | = | 78 | * | (82 | / | 340) | = | 18.81176466 | ||
4 | 50266 | 2509 | - | 2485 | = | 24 | * | (76 | / | 340) | = | 5.36470586 | ||
5 | 50269 | 2551 | - | 2528 | = | 23 | * | (99 | / | 340) | = | 6.69705881 | ||
6 | 50270 | 2583 | - | 2552 | = | 31 | * | (83 | / | 340) | = | 7.56764706 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Trabuco Mesa Elementary | 38 |
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 | 50458 | 2500 | - | 2436 | = | 64 | * | (85 | / | 348) | = | 15.63218387 | ||
4 | 50459 | 2533 | - | 2485 | = | 48 | * | (86 | / | 348) | = | 11.86206893 | ||
5 | 50460 | 2534 | - | 2528 | = | 6 | * | (76 | / | 348) | = | 1.31034482 | ||
6 | 50461 | 2578 | - | 2552 | = | 26 | * | (101 | / | 348) | = | 7.54597701 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Trabuco Mesa Elementary | 36 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
17 | 33 | 27 | 38 | 36 | 151.0 | 30.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 54.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 6.2
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 | 15% | 15% | 16% | 19% | 20% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Saddleback Valley Unified school district | County of Orange
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.
Trabuco Mesa Elementary math proficiency
Zero+ meets standard.
11% less $meal
12% less $meal
13% less $meal
18% less $meal
18% 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.