Pacheco Elementary (Data source)
Source data for Pacheco 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 | 2492797 | 2454 | - | 2436 | = | 18 | * | (83 | / | 290) | = | 5.15172413 | ||
| 4 | 2492800 | 2493 | - | 2485 | = | 8 | * | (80 | / | 290) | = | 2.20689654 | ||
| 5 | 2492801 | 2517 | - | 2528 | = | -11 | * | (67 | / | 290) | = | -2.5413793 | ||
| 6 | 2492804 | 2534 | - | 2552 | = | -18 | * | (60 | / | 290) | = | -3.72413792 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Pacheco Elementary | 1 | ||||||||||||
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 | 76003 | 2452 | - | 2436 | = | 16 | * | (81 | / | 298) | = | 4.34899328 | ||
| 4 | 76006 | 2514 | - | 2485 | = | 29 | * | (75 | / | 298) | = | 7.29865771 | ||
| 5 | 76007 | 2526 | - | 2528 | = | -2 | * | (79 | / | 298) | = | -0.53020134 | ||
| 6 | 76010 | 2555 | - | 2552 | = | 3 | * | (63 | / | 298) | = | 0.63422819 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Pacheco Elementary | 12 | ||||||||||||
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 | 78041 | 2464 | - | 2436 | = | 28 | * | (77 | / | 304) | = | 7.09210524 | ||
| 4 | 78042 | 2513 | - | 2485 | = | 28 | * | (75 | / | 304) | = | 6.90789473 | ||
| 5 | 78044 | 2538 | - | 2528 | = | 10 | * | (72 | / | 304) | = | 2.36842105 | ||
| 6 | 78047 | 2551 | - | 2552 | = | -1 | * | (80 | / | 304) | = | -0.26315789 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Pacheco Elementary | 16 | ||||||||||||
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 | 78195 | 2446 | - | 2436 | = | 10 | * | (78 | / | 294) | = | 2.65306122 | ||
| 4 | 78198 | 2522 | - | 2485 | = | 37 | * | (70 | / | 294) | = | 8.80952381 | ||
| 5 | 78199 | 2517 | - | 2528 | = | -11 | * | (74 | / | 294) | = | -2.76870748 | ||
| 6 | 78202 | 2579 | - | 2552 | = | 27 | * | (72 | / | 294) | = | 6.61224489 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Pacheco Elementary | 15 | ||||||||||||
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 | 78726 | 2444 | - | 2436 | = | 8 | * | (85 | / | 296) | = | 2.2972973 | ||
| 4 | 78727 | 2515 | - | 2485 | = | 30 | * | (68 | / | 296) | = | 6.89189187 | ||
| 5 | 78728 | 2520 | - | 2528 | = | -8 | * | (69 | / | 296) | = | -1.86486486 | ||
| 6 | 78729 | 2562 | - | 2552 | = | 10 | * | (74 | / | 296) | = | 2.5 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Pacheco Elementary | 10 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 1 | 12 | 16 | 15 | 10 | 54.0 | 10.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 25.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -4.2
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 | 46% | 45% | 44% | 46% | 43% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Luis Coastal Unified school district | County of San Luis Obispo
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.
Pacheco Elementary math proficiency
Zero+ meets standard.
38% less $meal
39% less $meal
40% less $meal
40% less $meal
39% 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.