Nohl Canyon Elementary (Data source)
Source data for Nohl Canyon 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 | 1519084 | 2477 | - | 2436 | = | 41 | * | (87 | / | 367) | = | 9.71934602 | ||
| 4 | 1519087 | 2506 | - | 2485 | = | 21 | * | (80 | / | 367) | = | 4.57765667 | ||
| 5 | 1519088 | 2537 | - | 2528 | = | 9 | * | (108 | / | 367) | = | 2.64850136 | ||
| 6 | 1519091 | 2590 | - | 2552 | = | 38 | * | (92 | / | 367) | = | 9.52588552 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Nohl Canyon Elementary | 26 | ||||||||||||
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 | 47601 | 2477 | - | 2436 | = | 41 | * | (77 | / | 380) | = | 8.3078947 | ||
| 4 | 47602 | 2534 | - | 2485 | = | 49 | * | (96 | / | 380) | = | 12.37894732 | ||
| 5 | 47604 | 2529 | - | 2528 | = | 1 | * | (94 | / | 380) | = | 0.24736842 | ||
| 6 | 47606 | 2593 | - | 2552 | = | 41 | * | (113 | / | 380) | = | 12.19210526 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Nohl Canyon 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 | 48895 | 2489 | - | 2436 | = | 53 | * | (66 | / | 366) | = | 9.557377 | ||
| 4 | 48896 | 2535 | - | 2485 | = | 50 | * | (102 | / | 366) | = | 13.9344262 | ||
| 5 | 48898 | 2561 | - | 2528 | = | 33 | * | (102 | / | 366) | = | 9.19672129 | ||
| 6 | 48901 | 2595 | - | 2552 | = | 43 | * | (96 | / | 366) | = | 11.27868848 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Nohl Canyon Elementary | 44 | ||||||||||||
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 | 48917 | 2504 | - | 2436 | = | 68 | * | (79 | / | 372) | = | 14.44086019 | ||
| 4 | 48918 | 2539 | - | 2485 | = | 54 | * | (87 | / | 372) | = | 12.62903222 | ||
| 5 | 48921 | 2550 | - | 2528 | = | 22 | * | (104 | / | 372) | = | 6.15053762 | ||
| 6 | 48922 | 2620 | - | 2552 | = | 68 | * | (102 | / | 372) | = | 18.64516126 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Nohl Canyon Elementary | 52 | ||||||||||||
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 | 49116 | 2486 | - | 2436 | = | 50 | * | (80 | / | 351) | = | 11.39601135 | ||
| 4 | 49117 | 2563 | - | 2485 | = | 78 | * | (82 | / | 351) | = | 18.22222217 | ||
| 5 | 49118 | 2551 | - | 2528 | = | 23 | * | (86 | / | 351) | = | 5.63532764 | ||
| 6 | 49119 | 2620 | - | 2552 | = | 68 | * | (103 | / | 351) | = | 19.95441592 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Nohl Canyon Elementary | 55 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 26 | 33 | 44 | 52 | 55 | 210.0 | 42.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 78.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 6.0
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 | 9% | 9% | 8% | 12% | 11% |
| 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.
Nohl Canyon Elementary math proficiency
Zero+ meets standard.
6% less $meal
7% less $meal
7% less $meal
11% less $meal
10% 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.