Lampson Elementary (Data source)
Source data for Lampson 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 | 1513663 | 2403 | - | 2436 | = | -33 | * | (135 | / | 367) | = | -12.13896456 | ||
| 4 | 1513666 | 2436 | - | 2485 | = | -49 | * | (128 | / | 367) | = | -17.08991821 | ||
| 5 | 1513667 | 2477 | - | 2528 | = | -51 | * | (104 | / | 367) | = | -14.45231605 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lampson Elementary | -44 | ||||||||||||
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 | 47441 | 2397 | - | 2436 | = | -39 | * | (124 | / | 379) | = | -12.75989446 | ||
| 4 | 47443 | 2440 | - | 2485 | = | -45 | * | (134 | / | 379) | = | -15.91029023 | ||
| 5 | 47444 | 2461 | - | 2528 | = | -67 | * | (121 | / | 379) | = | -21.39050127 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lampson Elementary | -50 | ||||||||||||
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 | 48743 | 2405 | - | 2436 | = | -31 | * | (123 | / | 377) | = | -10.11405833 | ||
| 4 | 48744 | 2451 | - | 2485 | = | -34 | * | (112 | / | 377) | = | -10.10079575 | ||
| 5 | 48746 | 2468 | - | 2528 | = | -60 | * | (142 | / | 377) | = | -22.59946944 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lampson Elementary | -43 | ||||||||||||
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 | 48755 | 2413 | - | 2436 | = | -23 | * | (129 | / | 353) | = | -8.40509914 | ||
| 4 | 48757 | 2445 | - | 2485 | = | -40 | * | (118 | / | 353) | = | -13.3711048 | ||
| 5 | 48759 | 2476 | - | 2528 | = | -52 | * | (106 | / | 353) | = | -15.61473087 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lampson Elementary | -37 | ||||||||||||
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 | 48959 | 2391 | - | 2436 | = | -45 | * | (110 | / | 349) | = | -14.18338107 | ||
| 4 | 48960 | 2463 | - | 2485 | = | -22 | * | (126 | / | 349) | = | -7.9426934 | ||
| 5 | 48961 | 2492 | - | 2528 | = | -36 | * | (113 | / | 349) | = | -11.65616042 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lampson Elementary | -34 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -44 | -50 | -43 | -37 | -34 | -208.0 | -41.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -23.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -59.6
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 | 84% | 83% | 79% | 81% | 78% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Orange 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.
Lampson Elementary math proficiency
Zero+ meets standard.
74% less $meal
74% less $meal
69% less $meal
75% less $meal
72% 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.