Knolls Elementary (Data source)
Source data for Knolls 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 | 3137824 | 2430 | - | 2436 | = | -6 | * | (54 | / | 202) | = | -1.60396039 | ||
| 4 | 3137827 | 2473 | - | 2485 | = | -12 | * | (48 | / | 202) | = | -2.85148514 | ||
| 5 | 3137828 | 2500 | - | 2528 | = | -28 | * | (64 | / | 202) | = | -8.87128712 | ||
| 6 | 3137831 | 2546 | - | 2552 | = | -6 | * | (36 | / | 202) | = | -1.06930693 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Knolls Elementary | -14 | ||||||||||||
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 | 96753 | 2391 | - | 2436 | = | -45 | * | (41 | / | 176) | = | -10.48295453 | ||
| 4 | 96755 | 2475 | - | 2485 | = | -10 | * | (55 | / | 176) | = | -3.125 | ||
| 5 | 96756 | 2492 | - | 2528 | = | -36 | * | (44 | / | 176) | = | -9.0 | ||
| 6 | 96759 | 2531 | - | 2552 | = | -21 | * | (36 | / | 176) | = | -4.29545453 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Knolls Elementary | -27 | ||||||||||||
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 | 99553 | 2416 | - | 2436 | = | -20 | * | (34 | / | 161) | = | -4.22360248 | ||
| 4 | 99555 | 2464 | - | 2485 | = | -21 | * | (39 | / | 161) | = | -5.0869565 | ||
| 5 | 99558 | 2486 | - | 2528 | = | -42 | * | (51 | / | 161) | = | -13.30434781 | ||
| 6 | 99559 | 2530 | - | 2552 | = | -22 | * | (37 | / | 161) | = | -5.05590061 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Knolls Elementary | -28 | ||||||||||||
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 | 99713 | 2418 | - | 2436 | = | -18 | * | (32 | / | 135) | = | -4.26666667 | ||
| 4 | 99714 | 2472 | - | 2485 | = | -13 | * | (34 | / | 135) | = | -3.27407406 | ||
| 5 | 99717 | 2444 | - | 2528 | = | -84 | * | (34 | / | 135) | = | -21.15555548 | ||
| 6 | 99718 | 2525 | - | 2552 | = | -27 | * | (35 | / | 135) | = | -6.99999999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Knolls Elementary | -36 | ||||||||||||
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 | 100378 | 2419 | - | 2436 | = | -17 | * | (26 | / | 120) | = | -3.68333332 | ||
| 4 | 100379 | 2460 | - | 2485 | = | -25 | * | (32 | / | 120) | = | -6.66666665 | ||
| 5 | 100380 | 2481 | - | 2528 | = | -47 | * | (41 | / | 120) | = | -16.0583333 | ||
| 6 | 100381 | 2478 | - | 2552 | = | -74 | * | (21 | / | 120) | = | -12.95 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Knolls Elementary | -39 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -14 | -27 | -28 | -36 | -39 | -144.0 | -28.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -1.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -55.8
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 | 33% | 33% | 33% | 40% | 40% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Simi Valley Unified school district County of Ventura
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Knolls Elementary math proficiency
Zero+ meets standard.
28% less $meal
28% less $meal
24% less $meal
35% less $meal
34% 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.