Liberty Elementary (Data source)
Source data for Liberty 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 | 305353 | 2459 | - | 2436 | = | 23 | * | (107 | / | 349) | = | 7.05157591 | ||
| 4 | 305354 | 2498 | - | 2485 | = | 13 | * | (81 | / | 349) | = | 3.01719197 | ||
| 5 | 305357 | 2513 | - | 2528 | = | -15 | * | (76 | / | 349) | = | -3.26647563 | ||
| 6 | 305358 | 2575 | - | 2552 | = | 23 | * | (85 | / | 349) | = | 5.60171918 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Liberty Elementary | 12 | ||||||||||||
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 | 9120 | 2477 | - | 2436 | = | 41 | * | (80 | / | 360) | = | 9.1111111 | ||
| 4 | 9122 | 2550 | - | 2485 | = | 65 | * | (108 | / | 360) | = | 19.5 | ||
| 5 | 9123 | 2527 | - | 2528 | = | -1 | * | (89 | / | 360) | = | -0.24722222 | ||
| 6 | 9125 | 2553 | - | 2552 | = | 1 | * | (83 | / | 360) | = | 0.23055556 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Liberty Elementary | 29 | ||||||||||||
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 | 9430 | 2501 | - | 2436 | = | 65 | * | (78 | / | 349) | = | 14.52722063 | ||
| 4 | 9432 | 2545 | - | 2485 | = | 60 | * | (81 | / | 349) | = | 13.9255014 | ||
| 5 | 9433 | 2557 | - | 2528 | = | 29 | * | (109 | / | 349) | = | 9.05730656 | ||
| 6 | 9435 | 2557 | - | 2552 | = | 5 | * | (81 | / | 349) | = | 1.16045845 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Liberty Elementary | 39 | ||||||||||||
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 | 9450 | 2497 | - | 2436 | = | 61 | * | (63 | / | 315) | = | 12.2 | ||
| 4 | 9451 | 2565 | - | 2485 | = | 80 | * | (81 | / | 315) | = | 20.57142856 | ||
| 5 | 9454 | 2573 | - | 2528 | = | 45 | * | (73 | / | 315) | = | 10.4285714 | ||
| 6 | 9455 | 2627 | - | 2552 | = | 75 | * | (98 | / | 315) | = | 23.33333333 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Liberty Elementary | 67 | ||||||||||||
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 | 9526 | 2490 | - | 2436 | = | 54 | * | (85 | / | 308) | = | 14.90259735 | ||
| 4 | 9527 | 2569 | - | 2485 | = | 84 | * | (62 | / | 308) | = | 16.90909088 | ||
| 5 | 9528 | 2592 | - | 2528 | = | 64 | * | (83 | / | 308) | = | 17.24675322 | ||
| 6 | 9529 | 2615 | - | 2552 | = | 63 | * | (78 | / | 308) | = | 15.95454544 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Liberty Elementary | 65 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 12 | 29 | 39 | 67 | 65 | 212.0 | 42.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 111.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -26.6
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 | 25% | 34% | 28% | 33% | 34% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Clovis Unified school district | County of Fresno
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.
Liberty Elementary math proficiency
Zero+ meets standard.
19% less $meal
26% less $meal
21% less $meal
26% less $meal
25% 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.