Glenwood Elementary (Data source)
Source data for Glenwood 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 | 3156139 | 2406 | - | 2436 | = | -30 | * | (57 | / | 170) | = | -10.05882351 | ||
| 4 | 3156142 | 2468 | - | 2485 | = | -17 | * | (54 | / | 170) | = | -5.39999999 | ||
| 5 | 3156143 | 2449 | - | 2528 | = | -79 | * | (59 | / | 170) | = | -27.41764702 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Glenwood Elementary | -43 | ||||||||||||
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 | 97266 | 2400 | - | 2436 | = | -36 | * | (55 | / | 167) | = | -11.85628741 | ||
| 4 | 97268 | 2455 | - | 2485 | = | -30 | * | (56 | / | 167) | = | -10.05988023 | ||
| 5 | 97271 | 2485 | - | 2528 | = | -43 | * | (56 | / | 167) | = | -14.41916166 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Glenwood Elementary | -36 | ||||||||||||
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 | 100091 | 2398 | - | 2436 | = | -38 | * | (46 | / | 158) | = | -11.06329112 | ||
| 4 | 100094 | 2450 | - | 2485 | = | -35 | * | (51 | / | 158) | = | -11.29746835 | ||
| 5 | 100095 | 2492 | - | 2528 | = | -36 | * | (61 | / | 158) | = | -13.89873416 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Glenwood Elementary | -36 | ||||||||||||
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 | 100246 | 2420 | - | 2436 | = | -16 | * | (64 | / | 164) | = | -6.24390243 | ||
| 4 | 100248 | 2435 | - | 2485 | = | -50 | * | (49 | / | 164) | = | -14.93902435 | ||
| 5 | 100250 | 2467 | - | 2528 | = | -61 | * | (51 | / | 164) | = | -18.96951215 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Glenwood Elementary | -40 | ||||||||||||
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 | 100911 | 2417 | - | 2436 | = | -19 | * | (43 | / | 156) | = | -5.23717948 | ||
| 4 | 100912 | 2462 | - | 2485 | = | -23 | * | (61 | / | 156) | = | -8.99358974 | ||
| 5 | 100913 | 2456 | - | 2528 | = | -72 | * | (52 | / | 156) | = | -23.99999998 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Glenwood Elementary | -38 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -43 | -36 | -36 | -40 | -38 | -193.0 | -38.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -32.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -44.6
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% | 84% | 61% | 74% | 72% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Conejo Valley Unified school district | County of Ventura
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.
Glenwood Elementary math proficiency
Zero+ meets standard.
74% less $meal
71% less $meal
58% less $meal
65% less $meal
64% 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.