Fletcher Elementary (Data source)
Source data for Fletcher 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 | 1512793 | 2409 | - | 2436 | = | -27 | * | (51 | / | 167) | = | -8.24550897 | ||
| 4 | 1512796 | 2397 | - | 2485 | = | -88 | * | (39 | / | 167) | = | -20.55089819 | ||
| 5 | 1512797 | 2456 | - | 2528 | = | -72 | * | (44 | / | 167) | = | -18.97005982 | ||
| 6 | 1512800 | 2469 | - | 2552 | = | -83 | * | (33 | / | 167) | = | -16.40119757 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Fletcher Elementary | -64 | ||||||||||||
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 | 47410 | 2422 | - | 2436 | = | -14 | * | (62 | / | 190) | = | -4.56842105 | ||
| 4 | 47413 | 2433 | - | 2485 | = | -52 | * | (44 | / | 190) | = | -12.04210524 | ||
| 5 | 47414 | 2427 | - | 2528 | = | -101 | * | (37 | / | 190) | = | -19.66842104 | ||
| 6 | 47416 | 2488 | - | 2552 | = | -64 | * | (47 | / | 190) | = | -15.83157894 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Fletcher Elementary | -52 | ||||||||||||
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 | 48712 | 2448 | - | 2436 | = | 12 | * | (61 | / | 186) | = | 3.93548387 | ||
| 4 | 48715 | 2435 | - | 2485 | = | -50 | * | (54 | / | 186) | = | -14.516129 | ||
| 5 | 48717 | 2463 | - | 2528 | = | -65 | * | (37 | / | 186) | = | -12.93010752 | ||
| 6 | 48719 | 2457 | - | 2552 | = | -95 | * | (34 | / | 186) | = | -17.36559131 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Fletcher Elementary | -41 | ||||||||||||
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 | 48725 | 2450 | - | 2436 | = | 14 | * | (49 | / | 195) | = | 3.51794871 | ||
| 4 | 48726 | 2488 | - | 2485 | = | 3 | * | (65 | / | 195) | = | 1.0 | ||
| 5 | 48729 | 2457 | - | 2528 | = | -71 | * | (43 | / | 195) | = | -15.65641022 | ||
| 6 | 48730 | 2513 | - | 2552 | = | -39 | * | (38 | / | 195) | = | -7.59999997 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Fletcher Elementary | -19 | ||||||||||||
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 | 48930 | 2444 | - | 2436 | = | 8 | * | (59 | / | 213) | = | 2.21596244 | ||
| 4 | 48931 | 2479 | - | 2485 | = | -6 | * | (49 | / | 213) | = | -1.38028169 | ||
| 5 | 48932 | 2495 | - | 2528 | = | -33 | * | (62 | / | 213) | = | -9.6056338 | ||
| 6 | 48933 | 2528 | - | 2552 | = | -24 | * | (43 | / | 213) | = | -4.84507042 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Fletcher Elementary | -14 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -64 | -52 | -41 | -19 | -14 | -190.0 | -38.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 25.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -101.0
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 | 51% | 48% | 45% | 42% | 45% |
| 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.
Fletcher Elementary math proficiency
Zero+ meets standard.
46% less $meal
41% less $meal
39% less $meal
40% less $meal
41% 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.